From 8e159607eab3649651dae5bfeb2358a98f9c26b3 Mon Sep 17 00:00:00 2001
From: Andrea Mannocci <andremann@libero.it>
Date: Thu, 25 Mar 2021 16:35:30 +0100
Subject: [PATCH] moved lots of preprocessing under make

---
 notebooks/01-Exploration.ipynb | 8062 +++++++++++++++++---------------
 1 file changed, 4258 insertions(+), 3804 deletions(-)

diff --git a/notebooks/01-Exploration.ipynb b/notebooks/01-Exploration.ipynb
index d94c9b1..4a624ae 100644
--- a/notebooks/01-Exploration.ipynb
+++ b/notebooks/01-Exploration.ipynb
@@ -200,8 +200,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0001-6097-3953</th>\n",
-       "      <td>1</td>\n",
+       "      <th>0</th>\n",
+       "      <td>0000-0001-6097-3953</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
@@ -233,8 +233,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-6112-5550</th>\n",
-       "      <td>1</td>\n",
+       "      <th>1</th>\n",
+       "      <td>0000-0001-6112-5550</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -266,8 +266,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-6152-2695</th>\n",
-       "      <td>1</td>\n",
+       "      <th>2</th>\n",
+       "      <td>0000-0001-6152-2695</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -299,8 +299,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-6220-5683</th>\n",
-       "      <td>1</td>\n",
+       "      <th>3</th>\n",
+       "      <td>0000-0001-6220-5683</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -332,8 +332,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-7071-8294</th>\n",
-       "      <td>1</td>\n",
+       "      <th>4</th>\n",
+       "      <td>0000-0001-7071-8294</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -369,75 +369,54 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0001-6097-3953      1               0                       0   \n",
-       "0000-0001-6112-5550      1               1                       1   \n",
-       "0000-0001-6152-2695      1               1                       1   \n",
-       "0000-0001-6220-5683      1               1                       1   \n",
-       "0000-0001-7071-8294      1               1                       1   \n",
+       "                 orcid  verified_email  verified_primary_email given_names  \\\n",
+       "0  0000-0001-6097-3953               0                       0         NaN   \n",
+       "1  0000-0001-6112-5550               1                       1         NaN   \n",
+       "2  0000-0001-6152-2695               1                       1         NaN   \n",
+       "3  0000-0001-6220-5683               1                       1         NaN   \n",
+       "4  0000-0001-7071-8294               1                       1         NaN   \n",
        "\n",
-       "                    given_names family_name biography  \\\n",
-       "0000-0001-6097-3953         NaN         NaN       NaN   \n",
-       "0000-0001-6112-5550         NaN         NaN       NaN   \n",
-       "0000-0001-6152-2695         NaN         NaN       NaN   \n",
-       "0000-0001-6220-5683         NaN         NaN       NaN   \n",
-       "0000-0001-7071-8294         NaN         NaN       NaN   \n",
+       "  family_name biography                 other_names primary_email keywords  \\\n",
+       "0         NaN       NaN                         NaN           NaN      NaN   \n",
+       "1         NaN       NaN  [v.i. yurtaev; v. yurtaev]           NaN      NaN   \n",
+       "2         NaN       NaN                         NaN           NaN      NaN   \n",
+       "3         NaN       NaN                         NaN           NaN      NaN   \n",
+       "4         NaN       NaN                         NaN           NaN      NaN   \n",
        "\n",
-       "                                    other_names primary_email keywords  \\\n",
-       "0000-0001-6097-3953                         NaN           NaN      NaN   \n",
-       "0000-0001-6112-5550  [v.i. yurtaev; v. yurtaev]           NaN      NaN   \n",
-       "0000-0001-6152-2695                         NaN           NaN      NaN   \n",
-       "0000-0001-6220-5683                         NaN           NaN      NaN   \n",
-       "0000-0001-7071-8294                         NaN           NaN      NaN   \n",
+       "  external_ids education                                         employment  \\\n",
+       "0          NaN       NaN                                                NaN   \n",
+       "1          NaN       NaN  [[professor, peoples friendship university of ...   \n",
+       "2          NaN       NaN                                                NaN   \n",
+       "3          NaN       NaN  [[research scientist, new york university abu ...   \n",
+       "4          NaN       NaN  [[researcher (academic), universidad de zarago...   \n",
        "\n",
-       "                    external_ids education  \\\n",
-       "0000-0001-6097-3953          NaN       NaN   \n",
-       "0000-0001-6112-5550          NaN       NaN   \n",
-       "0000-0001-6152-2695          NaN       NaN   \n",
-       "0000-0001-6220-5683          NaN       NaN   \n",
-       "0000-0001-7071-8294          NaN       NaN   \n",
+       "   n_works works_source           activation_date          last_update_date  \\\n",
+       "0        0          NaN  2018-03-02t09:29:16.528z  2018-03-02t09:43:07.551z   \n",
+       "1        0          NaN  2018-04-03t07:50:23.358z  2020-03-18t09:42:44.753z   \n",
+       "2        0          NaN  2019-12-11t15:31:56.388z  2020-01-28t15:34:17.309z   \n",
+       "3        0          NaN  2015-08-18t12:36:45.307z  2020-09-23t13:37:54.180z   \n",
+       "4        0          NaN  2014-03-10t13:22:01.966z  2016-06-14t22:17:54.470z   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0001-6097-3953                                                NaN   \n",
-       "0000-0001-6112-5550  [[professor, peoples friendship university of ...   \n",
-       "0000-0001-6152-2695                                                NaN   \n",
-       "0000-0001-6220-5683  [[research scientist, new york university abu ...   \n",
-       "0000-0001-7071-8294  [[researcher (academic), universidad de zarago...   \n",
+       "   n_doi  n_arxiv  n_pmc  n_other_pids  label primary_email_domain  \\\n",
+       "0      0        0      0             0      0                  NaN   \n",
+       "1      0        0      0             0      0                  NaN   \n",
+       "2      0        0      0             0      0                  NaN   \n",
+       "3      0        0      0             0      0                  NaN   \n",
+       "4      0        0      0             0      0                  NaN   \n",
        "\n",
-       "                     n_works works_source           activation_date  \\\n",
-       "0000-0001-6097-3953        0          NaN  2018-03-02t09:29:16.528z   \n",
-       "0000-0001-6112-5550        0          NaN  2018-04-03t07:50:23.358z   \n",
-       "0000-0001-6152-2695        0          NaN  2019-12-11t15:31:56.388z   \n",
-       "0000-0001-6220-5683        0          NaN  2015-08-18t12:36:45.307z   \n",
-       "0000-0001-7071-8294        0          NaN  2014-03-10t13:22:01.966z   \n",
+       "  other_email_domains url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "0                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
+       "1                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
+       "2                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
+       "3                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
+       "4                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
        "\n",
-       "                             last_update_date  n_doi  n_arxiv  n_pmc  \\\n",
-       "0000-0001-6097-3953  2018-03-02t09:43:07.551z      0        0      0   \n",
-       "0000-0001-6112-5550  2020-03-18t09:42:44.753z      0        0      0   \n",
-       "0000-0001-6152-2695  2020-01-28t15:34:17.309z      0        0      0   \n",
-       "0000-0001-6220-5683  2020-09-23t13:37:54.180z      0        0      0   \n",
-       "0000-0001-7071-8294  2016-06-14t22:17:54.470z      0        0      0   \n",
-       "\n",
-       "                     n_other_pids  label primary_email_domain  \\\n",
-       "0000-0001-6097-3953             0      0                  NaN   \n",
-       "0000-0001-6112-5550             0      0                  NaN   \n",
-       "0000-0001-6152-2695             0      0                  NaN   \n",
-       "0000-0001-6220-5683             0      0                  NaN   \n",
-       "0000-0001-7071-8294             0      0                  NaN   \n",
-       "\n",
-       "                    other_email_domains url_domains  n_emails  n_urls  n_ids  \\\n",
-       "0000-0001-6097-3953                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0001-6112-5550                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0001-6152-2695                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0001-6220-5683                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0001-7071-8294                 NaN         NaN       NaN     NaN    NaN   \n",
-       "\n",
-       "                     n_keywords  n_education  n_employment  \n",
-       "0000-0001-6097-3953         NaN          NaN           NaN  \n",
-       "0000-0001-6112-5550         NaN          NaN           1.0  \n",
-       "0000-0001-6152-2695         NaN          NaN           NaN  \n",
-       "0000-0001-6220-5683         NaN          NaN           1.0  \n",
-       "0000-0001-7071-8294         NaN          NaN           2.0  "
+       "   n_education  n_employment  \n",
+       "0          NaN           NaN  \n",
+       "1          NaN           1.0  \n",
+       "2          NaN           NaN  \n",
+       "3          NaN           1.0  \n",
+       "4          NaN           2.0  "
       ]
      },
      "execution_count": 5,
@@ -518,14 +497,82 @@
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>3073261</th>\n",
+       "      <td>0000-0002-5193-7851</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>andrea</td>\n",
+       "      <td>mannocci</td>\n",
+       "      <td>data scientist &amp; researcher; scholarly knowled...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>andrea.mannocci@isti.cnr.it</td>\n",
+       "      <td>[research infrastructures, science of science,...</td>\n",
+       "      <td>[[scopus author id, 55233589900]]</td>\n",
+       "      <td>[[information engineering, ph.d., università d...</td>\n",
+       "      <td>[[research associate, istituto di scienza e te...</td>\n",
+       "      <td>37</td>\n",
+       "      <td>[scopus - elsevier, crossref metadata search, ...</td>\n",
+       "      <td>2017-09-12t14:28:33.467z</td>\n",
+       "      <td>2021-03-17t15:40:07.776z</td>\n",
+       "      <td>34</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>60</td>\n",
+       "      <td>1</td>\n",
+       "      <td>isti.cnr.it</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[github.io, twitter.com, linkedin.com]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>5.0</td>\n",
+       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "Empty DataFrame\n",
-       "Columns: [orcid, verified_email, verified_primary_email, given_names, family_name, biography, other_names, primary_email, keywords, external_ids, education, employment, n_works, works_source, activation_date, last_update_date, n_doi, n_arxiv, n_pmc, n_other_pids, label, primary_email_domain, other_email_domains, url_domains, n_emails, n_urls, n_ids, n_keywords, n_education, n_employment]\n",
-       "Index: []"
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "3073261  0000-0002-5193-7851               1                       1   \n",
+       "\n",
+       "        given_names family_name  \\\n",
+       "3073261      andrea    mannocci   \n",
+       "\n",
+       "                                                 biography other_names  \\\n",
+       "3073261  data scientist & researcher; scholarly knowled...         NaN   \n",
+       "\n",
+       "                       primary_email  \\\n",
+       "3073261  andrea.mannocci@isti.cnr.it   \n",
+       "\n",
+       "                                                  keywords  \\\n",
+       "3073261  [research infrastructures, science of science,...   \n",
+       "\n",
+       "                              external_ids  \\\n",
+       "3073261  [[scopus author id, 55233589900]]   \n",
+       "\n",
+       "                                                 education  \\\n",
+       "3073261  [[information engineering, ph.d., università d...   \n",
+       "\n",
+       "                                                employment  n_works  \\\n",
+       "3073261  [[research associate, istituto di scienza e te...       37   \n",
+       "\n",
+       "                                              works_source  \\\n",
+       "3073261  [scopus - elsevier, crossref metadata search, ...   \n",
+       "\n",
+       "                  activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "3073261  2017-09-12t14:28:33.467z  2021-03-17t15:40:07.776z     34        0   \n",
+       "\n",
+       "         n_pmc  n_other_pids  label primary_email_domain other_email_domains  \\\n",
+       "3073261      0            60      1          isti.cnr.it                 NaN   \n",
+       "\n",
+       "                                    url_domains  n_emails  n_urls  n_ids  \\\n",
+       "3073261  [github.io, twitter.com, linkedin.com]       NaN     3.0    1.0   \n",
+       "\n",
+       "         n_keywords  n_education  n_employment  \n",
+       "3073261         5.0          4.0           5.0  "
       ]
      },
      "execution_count": 6,
@@ -596,14 +643,67 @@
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>9887272</th>\n",
+       "      <td>0000-0001-6997-9470</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>other</td>\n",
+       "      <td>whatsapp</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[whatsapp gb apk, whatsapp gb baixar, whatsapp...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2020-10-07t10:37:12.237z</td>\n",
+       "      <td>2020-10-08t02:32:03.935z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[otherwhatsapp.com, im-creator.com, facebook.c...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>27.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "Empty DataFrame\n",
-       "Columns: [orcid, verified_email, verified_primary_email, given_names, family_name, biography, other_names, primary_email, keywords, external_ids, education, employment, n_works, works_source, activation_date, last_update_date, n_doi, n_arxiv, n_pmc, n_other_pids, label, primary_email_domain, other_email_domains, url_domains, n_emails, n_urls, n_ids, n_keywords, n_education, n_employment]\n",
-       "Index: []"
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "9887272  0000-0001-6997-9470               1                       1   \n",
+       "\n",
+       "        given_names family_name biography other_names primary_email  \\\n",
+       "9887272       other    whatsapp       NaN         NaN           NaN   \n",
+       "\n",
+       "                                                  keywords external_ids  \\\n",
+       "9887272  [whatsapp gb apk, whatsapp gb baixar, whatsapp...          NaN   \n",
+       "\n",
+       "        education employment  n_works works_source           activation_date  \\\n",
+       "9887272       NaN        NaN        0          NaN  2020-10-07t10:37:12.237z   \n",
+       "\n",
+       "                 last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
+       "9887272  2020-10-08t02:32:03.935z      0        0      0             0      0   \n",
+       "\n",
+       "        primary_email_domain other_email_domains  \\\n",
+       "9887272                  NaN                 NaN   \n",
+       "\n",
+       "                                               url_domains  n_emails  n_urls  \\\n",
+       "9887272  [otherwhatsapp.com, im-creator.com, facebook.c...       NaN    27.0   \n",
+       "\n",
+       "         n_ids  n_keywords  n_education  n_employment  \n",
+       "9887272    NaN         4.0          NaN           NaN  "
       ]
      },
      "execution_count": 7,
@@ -625,36 +725,36 @@
     {
      "data": {
       "text/plain": [
-       "orcid                     10916574\n",
-       "verified_email            10916574\n",
-       "verified_primary_email    10916574\n",
-       "given_names               10886150\n",
-       "family_name               10601571\n",
-       "biography                   348649\n",
-       "other_names                 551482\n",
-       "primary_email               123851\n",
-       "keywords                    646400\n",
-       "external_ids               1301959\n",
-       "education                  2430233\n",
-       "employment                 2665092\n",
-       "n_works                   10916574\n",
-       "works_source               2721431\n",
-       "activation_date           10916574\n",
-       "last_update_date          10916574\n",
-       "n_doi                     10916574\n",
-       "n_arxiv                   10916574\n",
-       "n_pmc                     10916574\n",
-       "n_other_pids              10916574\n",
-       "label                     10916574\n",
-       "primary_email_domain        123851\n",
-       "other_email_domains          48306\n",
-       "url_domains                 707687\n",
-       "n_emails                     48306\n",
-       "n_urls                      707687\n",
-       "n_ids                      1301959\n",
-       "n_keywords                  646400\n",
-       "n_education                2430233\n",
-       "n_employment               2665092\n",
+       "orcid                     10989649\n",
+       "verified_email            10989649\n",
+       "verified_primary_email    10989649\n",
+       "given_names               10959039\n",
+       "family_name               10671715\n",
+       "biography                   354015\n",
+       "other_names                 554684\n",
+       "primary_email               124722\n",
+       "keywords                    649637\n",
+       "external_ids               1308598\n",
+       "education                  2441645\n",
+       "employment                 2680488\n",
+       "n_works                   10989649\n",
+       "works_source               2740939\n",
+       "activation_date           10989649\n",
+       "last_update_date          10989649\n",
+       "n_doi                     10989649\n",
+       "n_arxiv                   10989649\n",
+       "n_pmc                     10989649\n",
+       "n_other_pids              10989649\n",
+       "label                     10989649\n",
+       "primary_email_domain        124722\n",
+       "other_email_domains          48615\n",
+       "url_domains                 715067\n",
+       "n_emails                     48615\n",
+       "n_urls                      715067\n",
+       "n_ids                      1308598\n",
+       "n_keywords                  649637\n",
+       "n_education                2441645\n",
+       "n_employment               2680488\n",
        "dtype: int64"
       ]
      },
@@ -675,15 +775,11 @@
     {
      "data": {
       "text/plain": [
-       "count    10916574.0\n",
-       "mean            1.0\n",
-       "std             0.0\n",
-       "min             1.0\n",
-       "25%             1.0\n",
-       "50%             1.0\n",
-       "75%             1.0\n",
-       "max             1.0\n",
-       "Name: orcid, dtype: float64"
+       "count                10989649\n",
+       "unique               10989649\n",
+       "top       0000-0003-2532-0046\n",
+       "freq                        1\n",
+       "Name: orcid, dtype: object"
       ]
      },
      "execution_count": 9,
@@ -710,10 +806,10 @@
     {
      "data": {
       "text/plain": [
-       "count               123851\n",
-       "unique              123848\n",
-       "top       maykin@owasp.org\n",
-       "freq                     2\n",
+       "count                       124722\n",
+       "unique                      124718\n",
+       "top       patrick.davey@monash.edu\n",
+       "freq                             2\n",
        "Name: primary_email, dtype: object"
       ]
      },
@@ -741,9 +837,10 @@
     {
      "data": {
       "text/plain": [
-       "0000-0003-0033-0918      opercin@erbakan.edu.tr\n",
-       "0000-0002-8774-0030    patrick.davey@monash.edu\n",
-       "0000-0001-9855-1676            maykin@owasp.org\n",
+       "1681787       opercin@erbakan.edu.tr\n",
+       "5590332     patrick.davey@monash.edu\n",
+       "9316843             maykin@owasp.org\n",
+       "10375852       andycheng2026@163.com\n",
        "Name: primary_email, dtype: object"
       ]
      },
@@ -816,8 +913,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-0836-2271</th>\n",
-       "      <td>1</td>\n",
+       "      <th>7543981</th>\n",
+       "      <td>0000-0002-0836-2271</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>maykin</td>\n",
@@ -849,8 +946,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9855-1676</th>\n",
-       "      <td>1</td>\n",
+       "      <th>9316843</th>\n",
+       "      <td>0000-0001-9855-1676</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>maykin</td>\n",
@@ -886,41 +983,33 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-0836-2271      1               1                       1   \n",
-       "0000-0001-9855-1676      1               1                       1   \n",
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "7543981  0000-0002-0836-2271               1                       1   \n",
+       "9316843  0000-0001-9855-1676               1                       1   \n",
        "\n",
-       "                    given_names family_name biography other_names  \\\n",
-       "0000-0002-0836-2271      maykin    warasart       NaN         NaN   \n",
-       "0000-0001-9855-1676      maykin    warasart       NaN         NaN   \n",
+       "        given_names family_name biography other_names     primary_email  \\\n",
+       "7543981      maykin    warasart       NaN         NaN  maykin@owasp.org   \n",
+       "9316843      maykin    warasart       NaN         NaN  maykin@owasp.org   \n",
        "\n",
-       "                        primary_email keywords external_ids education  \\\n",
-       "0000-0002-0836-2271  maykin@owasp.org      NaN          NaN       NaN   \n",
-       "0000-0001-9855-1676  maykin@owasp.org      NaN          NaN       NaN   \n",
+       "        keywords external_ids education employment  n_works works_source  \\\n",
+       "7543981      NaN          NaN       NaN        NaN        0          NaN   \n",
+       "9316843      NaN          NaN       NaN        NaN        0          NaN   \n",
        "\n",
-       "                    employment  n_works works_source  \\\n",
-       "0000-0002-0836-2271        NaN        0          NaN   \n",
-       "0000-0001-9855-1676        NaN        0          NaN   \n",
+       "                  activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "7543981  2020-09-15t04:43:55.709z  2020-09-15t05:17:28.509z      0        0   \n",
+       "9316843  2020-10-23t17:51:51.925z  2021-01-01t15:00:52.053z      0        0   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-0836-2271  2020-09-15t04:43:55.709z  2020-09-15t05:17:28.509z   \n",
-       "0000-0001-9855-1676  2020-10-23t17:51:51.925z  2021-01-01t15:00:52.053z   \n",
+       "         n_pmc  n_other_pids  label primary_email_domain  \\\n",
+       "7543981      0             0      0            owasp.org   \n",
+       "9316843      0             0      0            owasp.org   \n",
        "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-0836-2271      0        0      0             0      0   \n",
-       "0000-0001-9855-1676      0        0      0             0      0   \n",
+       "           other_email_domains url_domains  n_emails  n_urls  n_ids  \\\n",
+       "7543981            [dga.or.th]         NaN       1.0     NaN    NaN   \n",
+       "9316843  [dga.or.th, ieee.org]         NaN       2.0     NaN    NaN   \n",
        "\n",
-       "                    primary_email_domain    other_email_domains url_domains  \\\n",
-       "0000-0002-0836-2271            owasp.org            [dga.or.th]         NaN   \n",
-       "0000-0001-9855-1676            owasp.org  [dga.or.th, ieee.org]         NaN   \n",
-       "\n",
-       "                     n_emails  n_urls  n_ids  n_keywords  n_education  \\\n",
-       "0000-0002-0836-2271       1.0     NaN    NaN         NaN          NaN   \n",
-       "0000-0001-9855-1676       2.0     NaN    NaN         NaN          NaN   \n",
-       "\n",
-       "                     n_employment  \n",
-       "0000-0002-0836-2271           NaN  \n",
-       "0000-0001-9855-1676           NaN  "
+       "         n_keywords  n_education  n_employment  \n",
+       "7543981         NaN          NaN           NaN  \n",
+       "9316843         NaN          NaN           NaN  "
       ]
      },
      "execution_count": 12,
@@ -992,8 +1081,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-2232-9638</th>\n",
-       "      <td>1</td>\n",
+       "      <th>347852</th>\n",
+       "      <td>0000-0002-2232-9638</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>osman</td>\n",
@@ -1025,8 +1114,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0033-0918</th>\n",
-       "      <td>1</td>\n",
+       "      <th>1681787</th>\n",
+       "      <td>0000-0003-0033-0918</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>osman</td>\n",
@@ -1062,41 +1151,37 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-2232-9638      1               1                       1   \n",
-       "0000-0003-0033-0918      1               1                       1   \n",
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "347852   0000-0002-2232-9638               1                       1   \n",
+       "1681787  0000-0003-0033-0918               1                       1   \n",
        "\n",
-       "                    given_names family_name biography other_names  \\\n",
-       "0000-0002-2232-9638       osman      perçin       NaN         NaN   \n",
-       "0000-0003-0033-0918       osman      perçin       NaN         NaN   \n",
+       "        given_names family_name biography other_names           primary_email  \\\n",
+       "347852        osman      perçin       NaN         NaN  opercin@erbakan.edu.tr   \n",
+       "1681787       osman      perçin       NaN         NaN  opercin@erbakan.edu.tr   \n",
        "\n",
-       "                              primary_email keywords external_ids education  \\\n",
-       "0000-0002-2232-9638  opercin@erbakan.edu.tr      NaN          NaN       NaN   \n",
-       "0000-0003-0033-0918  opercin@erbakan.edu.tr      NaN          NaN       NaN   \n",
+       "        keywords external_ids education  \\\n",
+       "347852       NaN          NaN       NaN   \n",
+       "1681787      NaN          NaN       NaN   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-2232-9638                                                NaN   \n",
-       "0000-0003-0033-0918  [[, necmettin erbakan university, konya, , tr,...   \n",
+       "                                                employment  n_works  \\\n",
+       "347852                                                 NaN        0   \n",
+       "1681787  [[, necmettin erbakan university, konya, , tr,...        0   \n",
        "\n",
-       "                     n_works works_source           activation_date  \\\n",
-       "0000-0002-2232-9638        0          NaN  2015-01-12t13:47:55.549z   \n",
-       "0000-0003-0033-0918        0          NaN  2015-10-13t05:47:12.014z   \n",
+       "        works_source           activation_date          last_update_date  \\\n",
+       "347852           NaN  2015-01-12t13:47:55.549z  2020-01-27t07:38:24.269z   \n",
+       "1681787          NaN  2015-10-13t05:47:12.014z  2020-12-25t13:52:03.976z   \n",
        "\n",
-       "                             last_update_date  n_doi  n_arxiv  n_pmc  \\\n",
-       "0000-0002-2232-9638  2020-01-27t07:38:24.269z      0        0      0   \n",
-       "0000-0003-0033-0918  2020-12-25t13:52:03.976z      0        0      0   \n",
+       "         n_doi  n_arxiv  n_pmc  n_other_pids  label primary_email_domain  \\\n",
+       "347852       0        0      0             0      0       erbakan.edu.tr   \n",
+       "1681787      0        0      0             0      0       erbakan.edu.tr   \n",
        "\n",
-       "                     n_other_pids  label primary_email_domain  \\\n",
-       "0000-0002-2232-9638             0      0       erbakan.edu.tr   \n",
-       "0000-0003-0033-0918             0      0       erbakan.edu.tr   \n",
+       "        other_email_domains url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "347852                  NaN         NaN       NaN     NaN    NaN         NaN   \n",
+       "1681787                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
        "\n",
-       "                    other_email_domains url_domains  n_emails  n_urls  n_ids  \\\n",
-       "0000-0002-2232-9638                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0003-0033-0918                 NaN         NaN       NaN     NaN    NaN   \n",
-       "\n",
-       "                     n_keywords  n_education  n_employment  \n",
-       "0000-0002-2232-9638         NaN          NaN           NaN  \n",
-       "0000-0003-0033-0918         NaN          NaN           1.0  "
+       "         n_education  n_employment  \n",
+       "347852           NaN           NaN  \n",
+       "1681787          NaN           1.0  "
       ]
      },
      "execution_count": 13,
@@ -1168,8 +1253,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-9158-1757</th>\n",
-       "      <td>1</td>\n",
+       "      <th>954085</th>\n",
+       "      <td>0000-0002-9158-1757</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>patrick</td>\n",
@@ -1177,7 +1262,7 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>patrick.davey@monash.edu</td>\n",
-       "      <td>[radiochemistry, bioinorganic chemistry, inorg...</td>\n",
+       "      <td>[radiochemistry, radiopharmaceuticals, inorgan...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[[phd student, monash university, melbourne, ,...</td>\n",
@@ -1201,8 +1286,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8774-0030</th>\n",
-       "      <td>1</td>\n",
+       "      <th>5590332</th>\n",
+       "      <td>0000-0002-8774-0030</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>patrick</td>\n",
@@ -1222,7 +1307,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>monash.edu</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1238,49 +1323,41 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-9158-1757      1               1                       1   \n",
-       "0000-0002-8774-0030      1               1                       1   \n",
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "954085   0000-0002-9158-1757               1                       1   \n",
+       "5590332  0000-0002-8774-0030               1                       1   \n",
        "\n",
-       "                    given_names family_name biography other_names  \\\n",
-       "0000-0002-9158-1757     patrick       davey       NaN         NaN   \n",
-       "0000-0002-8774-0030     patrick       davey       NaN         NaN   \n",
+       "        given_names family_name biography other_names  \\\n",
+       "954085      patrick       davey       NaN         NaN   \n",
+       "5590332     patrick       davey       NaN         NaN   \n",
        "\n",
-       "                                primary_email  \\\n",
-       "0000-0002-9158-1757  patrick.davey@monash.edu   \n",
-       "0000-0002-8774-0030  patrick.davey@monash.edu   \n",
+       "                    primary_email  \\\n",
+       "954085   patrick.davey@monash.edu   \n",
+       "5590332  patrick.davey@monash.edu   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0002-9158-1757  [radiochemistry, bioinorganic chemistry, inorg...   \n",
-       "0000-0002-8774-0030                                                NaN   \n",
+       "                                                  keywords external_ids  \\\n",
+       "954085   [radiochemistry, radiopharmaceuticals, inorgan...          NaN   \n",
+       "5590332                                                NaN          NaN   \n",
        "\n",
-       "                    external_ids education  \\\n",
-       "0000-0002-9158-1757          NaN       NaN   \n",
-       "0000-0002-8774-0030          NaN       NaN   \n",
+       "        education                                         employment  n_works  \\\n",
+       "954085        NaN  [[phd student, monash university, melbourne, ,...        0   \n",
+       "5590332       NaN  [[phd student, monash university, melbourne, v...        1   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-9158-1757  [[phd student, monash university, melbourne, ,...   \n",
-       "0000-0002-8774-0030  [[phd student, monash university, melbourne, v...   \n",
+       "        works_source           activation_date          last_update_date  \\\n",
+       "954085           NaN  2019-05-09t23:01:02.170z  2019-08-20t03:00:17.844z   \n",
+       "5590332   [crossref]  2018-09-11t10:47:10.997z  2021-02-09t06:21:44.138z   \n",
        "\n",
-       "                     n_works works_source           activation_date  \\\n",
-       "0000-0002-9158-1757        0          NaN  2019-05-09t23:01:02.170z   \n",
-       "0000-0002-8774-0030        1   [crossref]  2018-09-11t10:47:10.997z   \n",
+       "         n_doi  n_arxiv  n_pmc  n_other_pids  label primary_email_domain  \\\n",
+       "954085       0        0      0             0      0           monash.edu   \n",
+       "5590332      1        0      0             0      1           monash.edu   \n",
        "\n",
-       "                             last_update_date  n_doi  n_arxiv  n_pmc  \\\n",
-       "0000-0002-9158-1757  2019-08-20t03:00:17.844z      0        0      0   \n",
-       "0000-0002-8774-0030  2021-02-09t06:21:44.138z      1        0      0   \n",
+       "        other_email_domains url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "954085                  NaN         NaN       NaN     NaN    NaN         4.0   \n",
+       "5590332                 NaN         NaN       NaN     NaN    NaN         NaN   \n",
        "\n",
-       "                     n_other_pids  label primary_email_domain  \\\n",
-       "0000-0002-9158-1757             0      0           monash.edu   \n",
-       "0000-0002-8774-0030             0      0           monash.edu   \n",
-       "\n",
-       "                    other_email_domains url_domains  n_emails  n_urls  n_ids  \\\n",
-       "0000-0002-9158-1757                 NaN         NaN       NaN     NaN    NaN   \n",
-       "0000-0002-8774-0030                 NaN         NaN       NaN     NaN    NaN   \n",
-       "\n",
-       "                     n_keywords  n_education  n_employment  \n",
-       "0000-0002-9158-1757         4.0          NaN           1.0  \n",
-       "0000-0002-8774-0030         NaN          NaN           1.0  "
+       "         n_education  n_employment  \n",
+       "954085           NaN           1.0  \n",
+       "5590332          NaN           1.0  "
       ]
      },
      "execution_count": 14,
@@ -1300,10 +1377,10 @@
     {
      "data": {
       "text/plain": [
-       "count        123851\n",
-       "unique        17089\n",
+       "count        124722\n",
+       "unique        17160\n",
        "top       gmail.com\n",
-       "freq          26540\n",
+       "freq          26750\n",
        "Name: primary_email_domain, dtype: object"
       ]
      },
@@ -1352,42 +1429,42 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>gmail.com</th>\n",
-       "      <td>26540</td>\n",
+       "      <td>26750</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>hotmail.com</th>\n",
-       "      <td>3769</td>\n",
+       "      <td>3801</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>yahoo.com</th>\n",
-       "      <td>2614</td>\n",
+       "      <td>2625</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>163.com</th>\n",
-       "      <td>2109</td>\n",
+       "      <td>2132</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>yuhs.ac</th>\n",
-       "      <td>1132</td>\n",
+       "      <td>1134</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>...</th>\n",
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>imean-biotech.com</th>\n",
+       "      <th>imf.csic.es</th>\n",
        "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>imec.msu.ru</th>\n",
+       "      <th>imf.org</th>\n",
        "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>imedea.uib-csic.es</th>\n",
+       "      <th>imfd.tu-freiberg.de</th>\n",
        "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>imes.uni-hannover.de</th>\n",
+       "      <th>imft.fr</th>\n",
        "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1396,25 +1473,25 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>17089 rows × 1 columns</p>\n",
+       "<p>17160 rows × 1 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
        "                      orcid\n",
        "primary_email_domain       \n",
-       "gmail.com             26540\n",
-       "hotmail.com            3769\n",
-       "yahoo.com              2614\n",
-       "163.com                2109\n",
-       "yuhs.ac                1132\n",
+       "gmail.com             26750\n",
+       "hotmail.com            3801\n",
+       "yahoo.com              2625\n",
+       "163.com                2132\n",
+       "yuhs.ac                1134\n",
        "...                     ...\n",
-       "imean-biotech.com         1\n",
-       "imec.msu.ru               1\n",
-       "imedea.uib-csic.es        1\n",
-       "imes.uni-hannover.de      1\n",
+       "imf.csic.es               1\n",
+       "imf.org                   1\n",
+       "imfd.tu-freiberg.de       1\n",
+       "imft.fr                   1\n",
        "zzuli.edu.cn              1\n",
        "\n",
-       "[17089 rows x 1 columns]"
+       "[17160 rows x 1 columns]"
       ]
      },
      "execution_count": 16,
@@ -1458,8 +1535,8 @@
           "bu.edu",
           "usgs.gov",
           "mail.ru",
-          "yahoo.com.br",
           "usp.br",
+          "yahoo.com.br",
           "ua.pt",
           "umich.edu",
           "ust.hk",
@@ -1472,43 +1549,43 @@
           "ucl.ac.uk",
           "ieee.org",
           "naver.com",
-          "st-annes.ox.ac.uk",
           "stcatz.ox.ac.uk",
+          "st-annes.ox.ac.uk",
           "yahoo.fr",
           "ucm.es",
           "live.com"
          ],
          "y": [
-          26540,
-          3769,
-          2614,
-          2109,
-          1132,
-          1056,
-          940,
-          762,
-          630,
-          584,
-          575,
-          458,
-          457,
-          300,
+          26750,
+          3801,
+          2625,
+          2132,
+          1134,
+          1059,
+          948,
+          766,
+          629,
+          586,
+          579,
+          464,
+          459,
+          302,
           290,
           277,
-          258,
-          247,
-          242,
+          260,
+          248,
+          244,
           235,
-          225,
+          226,
           218,
-          207,
-          204,
-          187,
+          210,
+          205,
+          188,
           184,
           184,
-          172,
-          171,
-          163
+          174,
+          174,
+          165
          ]
         }
        ],
@@ -2335,9 +2412,9 @@
        }
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        "                            \n",
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        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-5916-446X</th>\n",
-       "      <td>1</td>\n",
+       "      <th>251</th>\n",
+       "      <td>0000-0002-5916-446X</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>antonio gilvan</td>\n",
@@ -2485,8 +2562,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8742-947X</th>\n",
-       "      <td>1</td>\n",
+       "      <th>316</th>\n",
+       "      <td>0000-0002-8742-947X</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>aaron</td>\n",
@@ -2518,8 +2595,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9097-2281</th>\n",
-       "      <td>1</td>\n",
+       "      <th>433</th>\n",
+       "      <td>0000-0001-9097-2281</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>abhishek</td>\n",
@@ -2551,8 +2628,8 @@
        "      <td>2.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8614-3007</th>\n",
-       "      <td>1</td>\n",
+       "      <th>497</th>\n",
+       "      <td>0000-0002-8614-3007</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>adam</td>\n",
@@ -2584,8 +2661,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9884-5498</th>\n",
-       "      <td>1</td>\n",
+       "      <th>869</th>\n",
+       "      <td>0000-0001-9884-5498</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>alberto</td>\n",
@@ -2605,7 +2682,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>3</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>aronza.com</td>\n",
        "      <td>[vtt.fi]</td>\n",
        "      <td>NaN</td>\n",
@@ -2621,110 +2698,96 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-5916-446X      1               1                       1   \n",
-       "0000-0002-8742-947X      1               1                       1   \n",
-       "0000-0001-9097-2281      1               1                       1   \n",
-       "0000-0002-8614-3007      1               1                       1   \n",
-       "0000-0001-9884-5498      1               1                       1   \n",
+       "                   orcid  verified_email  verified_primary_email  \\\n",
+       "251  0000-0002-5916-446X               1                       1   \n",
+       "316  0000-0002-8742-947X               1                       1   \n",
+       "433  0000-0001-9097-2281               1                       1   \n",
+       "497  0000-0002-8614-3007               1                       1   \n",
+       "869  0000-0001-9884-5498               1                       1   \n",
        "\n",
-       "                        given_names      family_name biography  \\\n",
-       "0000-0002-5916-446X  antonio gilvan  teixeira júnior       NaN   \n",
-       "0000-0002-8742-947X           aaron  tan shing loong       NaN   \n",
-       "0000-0001-9097-2281        abhishek          solanki       NaN   \n",
-       "0000-0002-8614-3007            adam             arra       NaN   \n",
-       "0000-0001-9884-5498         alberto          ronzani       NaN   \n",
+       "        given_names      family_name biography  \\\n",
+       "251  antonio gilvan  teixeira júnior       NaN   \n",
+       "316           aaron  tan shing loong       NaN   \n",
+       "433        abhishek          solanki       NaN   \n",
+       "497            adam             arra       NaN   \n",
+       "869         alberto          ronzani       NaN   \n",
        "\n",
-       "                                                           other_names  \\\n",
-       "0000-0002-5916-446X  [teixeira, antônio gilvan, júnior, antonio gil...   \n",
-       "0000-0002-8742-947X                                                NaN   \n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498                                                NaN   \n",
+       "                                           other_names  \\\n",
+       "251  [teixeira, antônio gilvan, júnior, antonio gil...   \n",
+       "316                                                NaN   \n",
+       "433                                                NaN   \n",
+       "497                                                NaN   \n",
+       "869                                                NaN   \n",
        "\n",
-       "                                         primary_email  \\\n",
-       "0000-0002-5916-446X    gilvan.junior@aluno.ufca.edu.br   \n",
-       "0000-0002-8742-947X  aaron.tanshingloong@wadh.ox.ac.uk   \n",
-       "0000-0001-9097-2281                                NaN   \n",
-       "0000-0002-8614-3007                                NaN   \n",
-       "0000-0001-9884-5498                 alberto@aronza.com   \n",
+       "                         primary_email  \\\n",
+       "251    gilvan.junior@aluno.ufca.edu.br   \n",
+       "316  aaron.tanshingloong@wadh.ox.ac.uk   \n",
+       "433                                NaN   \n",
+       "497                                NaN   \n",
+       "869                 alberto@aronza.com   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0002-5916-446X  [ethicis; medicine; infectology; neurology; ne...   \n",
-       "0000-0002-8742-947X                                                NaN   \n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498                                                NaN   \n",
+       "                                              keywords  \\\n",
+       "251  [ethicis; medicine; infectology; neurology; ne...   \n",
+       "316                                                NaN   \n",
+       "433                                                NaN   \n",
+       "497                                                NaN   \n",
+       "869                                                NaN   \n",
        "\n",
-       "                                                          external_ids  \\\n",
-       "0000-0002-5916-446X  [[scopus author id, 56647743200], [scopus auth...   \n",
-       "0000-0002-8742-947X                                                NaN   \n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498                                                NaN   \n",
+       "                                          external_ids  \\\n",
+       "251  [[scopus author id, 56647743200], [scopus auth...   \n",
+       "316                                                NaN   \n",
+       "433                                                NaN   \n",
+       "497                                                NaN   \n",
+       "869                                                NaN   \n",
        "\n",
-       "                                                             education  \\\n",
-       "0000-0002-5916-446X  [[faculty of health and life sciences, , unive...   \n",
-       "0000-0002-8742-947X  [[ruskin school of art; wadham college, , univ...   \n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498                                                NaN   \n",
+       "                                             education  \\\n",
+       "251  [[faculty of health and life sciences, , unive...   \n",
+       "316  [[ruskin school of art; wadham college, , univ...   \n",
+       "433                                                NaN   \n",
+       "497                                                NaN   \n",
+       "869                                                NaN   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-5916-446X                                                NaN   \n",
-       "0000-0002-8742-947X                                                NaN   \n",
-       "0000-0001-9097-2281  [[senior engineer, robert bosch (india), benga...   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498  [[research scientist, vtt technical research c...   \n",
+       "                                            employment  n_works  \\\n",
+       "251                                                NaN       14   \n",
+       "316                                                NaN        0   \n",
+       "433  [[senior engineer, robert bosch (india), benga...        1   \n",
+       "497                                                NaN        0   \n",
+       "869  [[research scientist, vtt technical research c...       19   \n",
        "\n",
-       "                     n_works  \\\n",
-       "0000-0002-5916-446X       14   \n",
-       "0000-0002-8742-947X        0   \n",
-       "0000-0001-9097-2281        1   \n",
-       "0000-0002-8614-3007        0   \n",
-       "0000-0001-9884-5498       19   \n",
+       "                                          works_source  \\\n",
+       "251  [antonio gilvan teixeira júnior, scopus - else...   \n",
+       "316                                                NaN   \n",
+       "433                                 [abhishek solanki]   \n",
+       "497                                                NaN   \n",
+       "869  [crossref metadata search, alberto ronzani, cr...   \n",
        "\n",
-       "                                                          works_source  \\\n",
-       "0000-0002-5916-446X  [antonio gilvan teixeira júnior, scopus - else...   \n",
-       "0000-0002-8742-947X                                                NaN   \n",
-       "0000-0001-9097-2281                                 [abhishek solanki]   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0001-9884-5498  [crossref metadata search, alberto ronzani, cr...   \n",
+       "              activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "251  2016-05-18t11:26:36.642z  2016-09-20t18:25:05.728z     13        0   \n",
+       "316  2015-10-05t23:10:08.771z  2016-06-14t19:55:50.313z      0        0   \n",
+       "433  2019-04-22t04:43:06.232z  2020-07-02t14:18:28.305z      0        0   \n",
+       "497  2017-11-15t06:33:45.625z  2017-11-15t06:44:02.998z      0        0   \n",
+       "869  2014-04-16t13:21:54.287z  2020-09-28t15:10:37.439z     18        0   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-5916-446X  2016-05-18t11:26:36.642z  2016-09-20t18:25:05.728z   \n",
-       "0000-0002-8742-947X  2015-10-05t23:10:08.771z  2016-06-14t19:55:50.313z   \n",
-       "0000-0001-9097-2281  2019-04-22t04:43:06.232z  2020-07-02t14:18:28.305z   \n",
-       "0000-0002-8614-3007  2017-11-15t06:33:45.625z  2017-11-15t06:44:02.998z   \n",
-       "0000-0001-9884-5498  2014-04-16t13:21:54.287z  2020-09-28t15:10:37.439z   \n",
+       "     n_pmc  n_other_pids  label primary_email_domain other_email_domains  \\\n",
+       "251      0             8      0    aluno.ufca.edu.br   [liverpool.ac.uk]   \n",
+       "316      0             0      0        wadh.ox.ac.uk      [rsa.ox.ac.uk]   \n",
+       "433      0             0      0                  NaN      [in.bosch.com]   \n",
+       "497      0             0      0                  NaN         [hct.ac.ae]   \n",
+       "869      0             3      1           aronza.com            [vtt.fi]   \n",
        "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-5916-446X     13        0      0             8      0   \n",
-       "0000-0002-8742-947X      0        0      0             0      0   \n",
-       "0000-0001-9097-2281      0        0      0             0      0   \n",
-       "0000-0002-8614-3007      0        0      0             0      0   \n",
-       "0000-0001-9884-5498     18        0      0             3      0   \n",
+       "                                   url_domains  n_emails  n_urls  n_ids  \\\n",
+       "251  [researchgate.net, academia.edu, cnpq.br]       1.0     3.0    4.0   \n",
+       "316                                        NaN       1.0     NaN    NaN   \n",
+       "433                 [github.com, linkedin.com]       1.0     2.0    NaN   \n",
+       "497                                        NaN       1.0     NaN    NaN   \n",
+       "869                                        NaN       1.0     NaN    NaN   \n",
        "\n",
-       "                    primary_email_domain other_email_domains  \\\n",
-       "0000-0002-5916-446X    aluno.ufca.edu.br   [liverpool.ac.uk]   \n",
-       "0000-0002-8742-947X        wadh.ox.ac.uk      [rsa.ox.ac.uk]   \n",
-       "0000-0001-9097-2281                  NaN      [in.bosch.com]   \n",
-       "0000-0002-8614-3007                  NaN         [hct.ac.ae]   \n",
-       "0000-0001-9884-5498           aronza.com            [vtt.fi]   \n",
-       "\n",
-       "                                                   url_domains  n_emails  \\\n",
-       "0000-0002-5916-446X  [researchgate.net, academia.edu, cnpq.br]       1.0   \n",
-       "0000-0002-8742-947X                                        NaN       1.0   \n",
-       "0000-0001-9097-2281                 [github.com, linkedin.com]       1.0   \n",
-       "0000-0002-8614-3007                                        NaN       1.0   \n",
-       "0000-0001-9884-5498                                        NaN       1.0   \n",
-       "\n",
-       "                     n_urls  n_ids  n_keywords  n_education  n_employment  \n",
-       "0000-0002-5916-446X     3.0    4.0         1.0          1.0           NaN  \n",
-       "0000-0002-8742-947X     NaN    NaN         NaN          1.0           NaN  \n",
-       "0000-0001-9097-2281     2.0    NaN         NaN          NaN           2.0  \n",
-       "0000-0002-8614-3007     NaN    NaN         NaN          NaN           NaN  \n",
-       "0000-0001-9884-5498     NaN    NaN         NaN          NaN           1.0  "
+       "     n_keywords  n_education  n_employment  \n",
+       "251         1.0          1.0           NaN  \n",
+       "316         NaN          1.0           NaN  \n",
+       "433         NaN          NaN           2.0  \n",
+       "497         NaN          NaN           NaN  \n",
+       "869         NaN          NaN           1.0  "
       ]
      },
      "execution_count": 18,
@@ -2738,16 +2801,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 62,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [],
    "source": [
-    "emails_by_orcid = df.sort_values('n_emails', ascending=False)"
+    "emails_by_orcid = df[['orcid', 'n_emails']].sort_values('n_emails', ascending=False)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 64,
+   "execution_count": 59,
    "metadata": {},
    "outputs": [
     {
@@ -2762,36 +2825,36 @@
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-          1,
-          2,
-          3,
-          4,
-          5,
-          6,
-          7,
-          8,
-          9,
-          10,
-          11,
-          12,
-          13,
-          14,
-          15,
-          16,
-          17,
-          18,
-          19,
-          20,
-          21,
-          22,
-          23,
-          24,
-          25,
-          26,
-          27,
-          28,
-          29
+          "0000-0003-4171-3835",
+          "0000-0001-6239-2968",
+          "0000-0003-2151-4089",
+          "0000-0003-2290-2817",
+          "0000-0001-9084-3156",
+          "0000-0001-6349-1044",
+          "0000-0002-2085-1908",
+          "0000-0003-4147-212X",
+          "0000-0002-9599-6909",
+          "0000-0001-9311-0687",
+          "0000-0003-1502-3910",
+          "0000-0002-9821-8424",
+          "0000-0003-4327-6827",
+          "0000-0002-1929-6054",
+          "0000-0002-8390-8238",
+          "0000-0002-1615-8633",
+          "0000-0003-0671-1543",
+          "0000-0003-4499-7300",
+          "0000-0002-5341-6531",
+          "0000-0002-8565-194X",
+          "0000-0002-0776-9547",
+          "0000-0001-8420-9204",
+          "0000-0002-7396-1561",
+          "0000-0002-3165-132X",
+          "0000-0002-2567-3741",
+          "0000-0003-2657-8225",
+          "0000-0003-4685-5621",
+          "0000-0001-5548-8259",
+          "0000-0003-0391-3430",
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          "y": [
           12,
@@ -2822,7 +2885,7 @@
           5,
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-          4,
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@@ -3650,9 +3713,9 @@
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        "                            \n",
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@@ -3685,7 +3748,7 @@
     "set_top_n(30)\n",
     "data = [\n",
     "    go.Bar(\n",
-    "        x=emails_by_orcid[:TOP_N].index,\n",
+    "        x=emails_by_orcid[:TOP_N]['orcid'],\n",
     "        y=emails_by_orcid[:TOP_N]['n_emails']\n",
     "    )\n",
     "]\n",
@@ -3738,8 +3801,8 @@
           "126.com",
           "usp.br",
           "ieee.org",
-          "mail.ru",
           "yahoo.com.br",
+          "mail.ru",
           "unesp.br",
           "sbs.ox.ac.uk",
           "yuhs.ac",
@@ -3753,44 +3816,44 @@
           "ukr.net",
           "law.ox.ac.uk",
           "mit.edu",
-          "stanford.edu",
           "monash.edu",
+          "stanford.edu",
           "ucl.ac.uk",
           "education.ox.ac.uk",
           "ucm.es",
           "conted.ox.ac.uk"
          ],
          "y": [
-          11116,
-          1541,
-          1295,
-          779,
-          774,
-          425,
-          260,
+          11198,
+          1550,
+          1303,
+          785,
+          780,
+          433,
+          262,
           236,
-          224,
-          149,
-          147,
+          226,
+          151,
+          148,
           141,
           136,
-          133,
-          130,
-          118,
+          134,
+          132,
+          119,
+          98,
           96,
-          94,
-          89,
+          90,
           84,
-          77,
-          76,
+          79,
+          75,
           75,
           74,
-          71,
           70,
-          68,
+          70,
+          69,
           67,
           66,
-          64
+          65
          ]
         }
        ],
@@ -4617,9 +4680,9 @@
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@@ -4741,8 +4804,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9097-2281</th>\n",
-       "      <td>1</td>\n",
+       "      <th>433</th>\n",
+       "      <td>0000-0001-9097-2281</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>abhishek</td>\n",
@@ -4774,8 +4837,8 @@
        "      <td>2.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8614-3007</th>\n",
-       "      <td>1</td>\n",
+       "      <th>497</th>\n",
+       "      <td>0000-0002-8614-3007</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>adam</td>\n",
@@ -4807,8 +4870,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-3728-6439</th>\n",
-       "      <td>1</td>\n",
+       "      <th>898</th>\n",
+       "      <td>0000-0003-3728-6439</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>alejandra</td>\n",
@@ -4816,7 +4879,7 @@
        "      <td>alejandra echeverry is an industrial electrici...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[energy., renewable, science, control, innovat...</td>\n",
+       "      <td>[innovation, renewable, control, science, ener...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[[, electrical engineer, institución universit...</td>\n",
        "      <td>[[professor, institución universitaria pascual...</td>\n",
@@ -4828,7 +4891,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[pascualbravo.edu.co]</td>\n",
        "      <td>NaN</td>\n",
@@ -4840,8 +4903,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-8330-7443</th>\n",
-       "      <td>1</td>\n",
+       "      <th>1719</th>\n",
+       "      <td>0000-0001-8330-7443</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>andrea</td>\n",
@@ -4873,8 +4936,8 @@
        "      <td>2.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9670-515X</th>\n",
-       "      <td>1</td>\n",
+       "      <th>6829</th>\n",
+       "      <td>0000-0001-9670-515X</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>esma esin</td>\n",
@@ -4882,7 +4945,7 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[chemical engineering, pharmacognosy, natural ...</td>\n",
+       "      <td>[pharmacognosy, natural chemistry, chemical en...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[[business management, master of science, ista...</td>\n",
        "      <td>NaN</td>\n",
@@ -4939,8 +5002,8 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-1204-6009</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10985816</th>\n",
+       "      <td>0000-0003-1204-6009</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>nathan</td>\n",
@@ -4960,7 +5023,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[cs.ox.ac.uk]</td>\n",
        "      <td>[fu-berlin.de]</td>\n",
@@ -4972,8 +5035,8 @@
        "      <td>2.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-3472-7668</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10986027</th>\n",
+       "      <td>0000-0002-3472-7668</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>raf</td>\n",
@@ -5005,8 +5068,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-9602-0529</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10987501</th>\n",
+       "      <td>0000-0002-9602-0529</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>carlos augusto</td>\n",
@@ -5026,7 +5089,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[cecot.com.br]</td>\n",
        "      <td>NaN</td>\n",
@@ -5038,8 +5101,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-4402-5982</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10987829</th>\n",
+       "      <td>0000-0003-4402-5982</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>filipe</td>\n",
@@ -5071,8 +5134,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1734-7241</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10988444</th>\n",
+       "      <td>0000-0002-1734-7241</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>manareldeen</td>\n",
@@ -5080,7 +5143,7 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[atomistic simulation, ai chips, thin films, d...</td>\n",
+       "      <td>[graphene, deep learning, atomistic simulation...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[[post-doctor, zhejiang university, hangzhou, ...</td>\n",
@@ -5092,7 +5155,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>3</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[hotmail.com]</td>\n",
        "      <td>NaN</td>\n",
@@ -5105,196 +5168,170 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>19692 rows × 30 columns</p>\n",
+       "<p>19814 rows × 30 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0001-9097-2281      1               1                       1   \n",
-       "0000-0002-8614-3007      1               1                       1   \n",
-       "0000-0003-3728-6439      1               1                       1   \n",
-       "0000-0001-8330-7443      1               1                       1   \n",
-       "0000-0001-9670-515X      1               1                       1   \n",
-       "...                    ...             ...                     ...   \n",
-       "0000-0003-1204-6009      1               1                       1   \n",
-       "0000-0002-3472-7668      1               1                       1   \n",
-       "0000-0002-9602-0529      1               1                       1   \n",
-       "0000-0003-4402-5982      1               1                       1   \n",
-       "0000-0002-1734-7241      1               1                       1   \n",
+       "                        orcid  verified_email  verified_primary_email  \\\n",
+       "433       0000-0001-9097-2281               1                       1   \n",
+       "497       0000-0002-8614-3007               1                       1   \n",
+       "898       0000-0003-3728-6439               1                       1   \n",
+       "1719      0000-0001-8330-7443               1                       1   \n",
+       "6829      0000-0001-9670-515X               1                       1   \n",
+       "...                       ...             ...                     ...   \n",
+       "10985816  0000-0003-1204-6009               1                       1   \n",
+       "10986027  0000-0002-3472-7668               1                       1   \n",
+       "10987501  0000-0002-9602-0529               1                       1   \n",
+       "10987829  0000-0003-4402-5982               1                       1   \n",
+       "10988444  0000-0002-1734-7241               1                       1   \n",
        "\n",
-       "                        given_names          family_name  \\\n",
-       "0000-0001-9097-2281        abhishek              solanki   \n",
-       "0000-0002-8614-3007            adam                 arra   \n",
-       "0000-0003-3728-6439       alejandra  echeverry velásquez   \n",
-       "0000-0001-8330-7443          andrea            tesoniero   \n",
-       "0000-0001-9670-515X       esma esin             yildirim   \n",
-       "...                             ...                  ...   \n",
-       "0000-0003-1204-6009          nathan                 walk   \n",
-       "0000-0002-3472-7668             raf           vandevelde   \n",
-       "0000-0002-9602-0529  carlos augusto              finelli   \n",
-       "0000-0003-4402-5982          filipe    de almeida araújo   \n",
-       "0000-0002-1734-7241     manareldeen                ahmed   \n",
+       "             given_names          family_name  \\\n",
+       "433             abhishek              solanki   \n",
+       "497                 adam                 arra   \n",
+       "898            alejandra  echeverry velásquez   \n",
+       "1719              andrea            tesoniero   \n",
+       "6829           esma esin             yildirim   \n",
+       "...                  ...                  ...   \n",
+       "10985816          nathan                 walk   \n",
+       "10986027             raf           vandevelde   \n",
+       "10987501  carlos augusto              finelli   \n",
+       "10987829          filipe    de almeida araújo   \n",
+       "10988444     manareldeen                ahmed   \n",
        "\n",
-       "                                                             biography  \\\n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0003-3728-6439  alejandra echeverry is an industrial electrici...   \n",
-       "0000-0001-8330-7443                                                NaN   \n",
-       "0000-0001-9670-515X                                                NaN   \n",
-       "...                                                                ...   \n",
-       "0000-0003-1204-6009                                                NaN   \n",
-       "0000-0002-3472-7668                                                NaN   \n",
-       "0000-0002-9602-0529                                                NaN   \n",
-       "0000-0003-4402-5982                                                NaN   \n",
-       "0000-0002-1734-7241                                                NaN   \n",
+       "                                                  biography other_names  \\\n",
+       "433                                                     NaN         NaN   \n",
+       "497                                                     NaN         NaN   \n",
+       "898       alejandra echeverry is an industrial electrici...         NaN   \n",
+       "1719                                                    NaN         NaN   \n",
+       "6829                                                    NaN         NaN   \n",
+       "...                                                     ...         ...   \n",
+       "10985816                                                NaN         NaN   \n",
+       "10986027                                                NaN         NaN   \n",
+       "10987501                                                NaN         NaN   \n",
+       "10987829                                                NaN         NaN   \n",
+       "10988444                                                NaN         NaN   \n",
        "\n",
-       "                    other_names primary_email  \\\n",
-       "0000-0001-9097-2281         NaN           NaN   \n",
-       "0000-0002-8614-3007         NaN           NaN   \n",
-       "0000-0003-3728-6439         NaN           NaN   \n",
-       "0000-0001-8330-7443         NaN           NaN   \n",
-       "0000-0001-9670-515X         NaN           NaN   \n",
-       "...                         ...           ...   \n",
-       "0000-0003-1204-6009         NaN           NaN   \n",
-       "0000-0002-3472-7668         NaN           NaN   \n",
-       "0000-0002-9602-0529         NaN           NaN   \n",
-       "0000-0003-4402-5982         NaN           NaN   \n",
-       "0000-0002-1734-7241         NaN           NaN   \n",
+       "         primary_email                                           keywords  \\\n",
+       "433                NaN                                                NaN   \n",
+       "497                NaN                                                NaN   \n",
+       "898                NaN  [innovation, renewable, control, science, ener...   \n",
+       "1719               NaN                                                NaN   \n",
+       "6829               NaN  [pharmacognosy, natural chemistry, chemical en...   \n",
+       "...                ...                                                ...   \n",
+       "10985816           NaN                                                NaN   \n",
+       "10986027           NaN                                                NaN   \n",
+       "10987501           NaN                                                NaN   \n",
+       "10987829           NaN                                                NaN   \n",
+       "10988444           NaN  [graphene, deep learning, atomistic simulation...   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0003-3728-6439  [energy., renewable, science, control, innovat...   \n",
-       "0000-0001-8330-7443                                                NaN   \n",
-       "0000-0001-9670-515X  [chemical engineering, pharmacognosy, natural ...   \n",
-       "...                                                                ...   \n",
-       "0000-0003-1204-6009                                                NaN   \n",
-       "0000-0002-3472-7668                                                NaN   \n",
-       "0000-0002-9602-0529                                                NaN   \n",
-       "0000-0003-4402-5982                                                NaN   \n",
-       "0000-0002-1734-7241  [atomistic simulation, ai chips, thin films, d...   \n",
+       "                           external_ids  \\\n",
+       "433                                 NaN   \n",
+       "497                                 NaN   \n",
+       "898                                 NaN   \n",
+       "1719      [[researcherid, d-9056-2015]]   \n",
+       "6829                                NaN   \n",
+       "...                                 ...   \n",
+       "10985816                            NaN   \n",
+       "10986027                            NaN   \n",
+       "10987501                            NaN   \n",
+       "10987829                            NaN   \n",
+       "10988444                            NaN   \n",
        "\n",
-       "                                      external_ids  \\\n",
-       "0000-0001-9097-2281                            NaN   \n",
-       "0000-0002-8614-3007                            NaN   \n",
-       "0000-0003-3728-6439                            NaN   \n",
-       "0000-0001-8330-7443  [[researcherid, d-9056-2015]]   \n",
-       "0000-0001-9670-515X                            NaN   \n",
-       "...                                            ...   \n",
-       "0000-0003-1204-6009                            NaN   \n",
-       "0000-0002-3472-7668                            NaN   \n",
-       "0000-0002-9602-0529                            NaN   \n",
-       "0000-0003-4402-5982                            NaN   \n",
-       "0000-0002-1734-7241                            NaN   \n",
+       "                                                  education  \\\n",
+       "433                                                     NaN   \n",
+       "497                                                     NaN   \n",
+       "898       [[, electrical engineer, institución universit...   \n",
+       "1719      [[department of geophysics, master of science ...   \n",
+       "6829      [[business management, master of science, ista...   \n",
+       "...                                                     ...   \n",
+       "10985816  [[department of physics, doctor of philosophy,...   \n",
+       "10986027  [[chemical engineering technology, master, kat...   \n",
+       "10987501                                                NaN   \n",
+       "10987829  [[materials science, msc. materials science, m...   \n",
+       "10988444                                                NaN   \n",
        "\n",
-       "                                                             education  \\\n",
-       "0000-0001-9097-2281                                                NaN   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0003-3728-6439  [[, electrical engineer, institución universit...   \n",
-       "0000-0001-8330-7443  [[department of geophysics, master of science ...   \n",
-       "0000-0001-9670-515X  [[business management, master of science, ista...   \n",
-       "...                                                                ...   \n",
-       "0000-0003-1204-6009  [[department of physics, doctor of philosophy,...   \n",
-       "0000-0002-3472-7668  [[chemical engineering technology, master, kat...   \n",
-       "0000-0002-9602-0529                                                NaN   \n",
-       "0000-0003-4402-5982  [[materials science, msc. materials science, m...   \n",
-       "0000-0002-1734-7241                                                NaN   \n",
+       "                                                 employment  n_works  \\\n",
+       "433       [[senior engineer, robert bosch (india), benga...        1   \n",
+       "497                                                     NaN        0   \n",
+       "898       [[professor, institución universitaria pascual...        1   \n",
+       "1719      [[postdoctoral associate, yale university, new...        4   \n",
+       "6829                                                    NaN        0   \n",
+       "...                                                     ...      ...   \n",
+       "10985816  [[, university of oxford, oxford, oxfordshire,...       10   \n",
+       "10986027  [[phd researcher, katholieke universiteit leuv...        0   \n",
+       "10987501                                                NaN        1   \n",
+       "10987829  [[co-owner, aeft acessory, manaus, amazonas, b...        0   \n",
+       "10988444  [[post-doctor, zhejiang university, hangzhou, ...        6   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0001-9097-2281  [[senior engineer, robert bosch (india), benga...   \n",
-       "0000-0002-8614-3007                                                NaN   \n",
-       "0000-0003-3728-6439  [[professor, institución universitaria pascual...   \n",
-       "0000-0001-8330-7443  [[postdoctoral associate, yale university, new...   \n",
-       "0000-0001-9670-515X                                                NaN   \n",
-       "...                                                                ...   \n",
-       "0000-0003-1204-6009  [[, university of oxford, oxford, oxfordshire,...   \n",
-       "0000-0002-3472-7668  [[phd researcher, katholieke universiteit leuv...   \n",
-       "0000-0002-9602-0529                                                NaN   \n",
-       "0000-0003-4402-5982  [[co-owner, aeft acessory, manaus, amazonas, b...   \n",
-       "0000-0002-1734-7241  [[post-doctor, zhejiang university, hangzhou, ...   \n",
+       "                        works_source           activation_date  \\\n",
+       "433               [abhishek solanki]  2019-04-22t04:43:06.232z   \n",
+       "497                              NaN  2017-11-15t06:33:45.625z   \n",
+       "898                       [crossref]  2019-03-31t00:00:42.929z   \n",
+       "1719              [andrea tesoniero]  2015-03-09t11:59:06.093z   \n",
+       "6829                             NaN  2020-07-26t10:38:03.721z   \n",
+       "...                              ...                       ...   \n",
+       "10985816  [crossref metadata search]  2016-07-28t14:24:16.844z   \n",
+       "10986027                         NaN  2020-10-14t13:56:44.779z   \n",
+       "10987501                  [crossref]  2013-09-16t16:52:06.120z   \n",
+       "10987829                         NaN  2020-03-02t20:11:01.699z   \n",
+       "10988444         [manareldeen ahmed]  2017-02-17t13:18:36.540z   \n",
        "\n",
-       "                     n_works                works_source  \\\n",
-       "0000-0001-9097-2281        1          [abhishek solanki]   \n",
-       "0000-0002-8614-3007        0                         NaN   \n",
-       "0000-0003-3728-6439        1                  [crossref]   \n",
-       "0000-0001-8330-7443        4          [andrea tesoniero]   \n",
-       "0000-0001-9670-515X        0                         NaN   \n",
-       "...                      ...                         ...   \n",
-       "0000-0003-1204-6009       10  [crossref metadata search]   \n",
-       "0000-0002-3472-7668        0                         NaN   \n",
-       "0000-0002-9602-0529        1                  [crossref]   \n",
-       "0000-0003-4402-5982        0                         NaN   \n",
-       "0000-0002-1734-7241        6         [manareldeen ahmed]   \n",
+       "                  last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  \\\n",
+       "433       2020-07-02t14:18:28.305z      0        0      0             0   \n",
+       "497       2017-11-15t06:44:02.998z      0        0      0             0   \n",
+       "898       2020-09-06t02:18:54.290z      1        0      0             0   \n",
+       "1719      2020-08-20t15:03:23.447z      4        0      0             2   \n",
+       "6829      2020-07-26t10:52:26.539z      0        0      0             0   \n",
+       "...                            ...    ...      ...    ...           ...   \n",
+       "10985816  2020-10-13t11:47:50.621z     10        0      0             0   \n",
+       "10986027  2020-10-16t14:21:40.673z      0        0      0             0   \n",
+       "10987501  2020-12-01t22:47:08.074z      1        0      0             0   \n",
+       "10987829  2020-12-04t13:53:39.404z      0        0      0             0   \n",
+       "10988444  2020-12-04t02:04:36.668z      6        0      0             3   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0001-9097-2281  2019-04-22t04:43:06.232z  2020-07-02t14:18:28.305z   \n",
-       "0000-0002-8614-3007  2017-11-15t06:33:45.625z  2017-11-15t06:44:02.998z   \n",
-       "0000-0003-3728-6439  2019-03-31t00:00:42.929z  2020-09-06t02:18:54.290z   \n",
-       "0000-0001-8330-7443  2015-03-09t11:59:06.093z  2020-08-20t15:03:23.447z   \n",
-       "0000-0001-9670-515X  2020-07-26t10:38:03.721z  2020-07-26t10:52:26.539z   \n",
-       "...                                       ...                       ...   \n",
-       "0000-0003-1204-6009  2016-07-28t14:24:16.844z  2020-10-13t11:47:50.621z   \n",
-       "0000-0002-3472-7668  2020-10-14t13:56:44.779z  2020-10-16t14:21:40.673z   \n",
-       "0000-0002-9602-0529  2013-09-16t16:52:06.120z  2020-12-01t22:47:08.074z   \n",
-       "0000-0003-4402-5982  2020-03-02t20:11:01.699z  2020-12-04t13:53:39.404z   \n",
-       "0000-0002-1734-7241  2017-02-17t13:18:36.540z  2020-12-04t02:04:36.668z   \n",
+       "          label primary_email_domain    other_email_domains  \\\n",
+       "433           0                  NaN         [in.bosch.com]   \n",
+       "497           0                  NaN            [hct.ac.ae]   \n",
+       "898           1                  NaN  [pascualbravo.edu.co]   \n",
+       "1719          0                  NaN             [yale.edu]   \n",
+       "6829          0                  NaN            [gmail.com]   \n",
+       "...         ...                  ...                    ...   \n",
+       "10985816      1                  NaN          [cs.ox.ac.uk]   \n",
+       "10986027      0                  NaN          [kuleuven.be]   \n",
+       "10987501      1                  NaN         [cecot.com.br]   \n",
+       "10987829      0                  NaN            [ime.eb.br]   \n",
+       "10988444      1                  NaN          [hotmail.com]   \n",
        "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0001-9097-2281      0        0      0             0      0   \n",
-       "0000-0002-8614-3007      0        0      0             0      0   \n",
-       "0000-0003-3728-6439      1        0      0             0      0   \n",
-       "0000-0001-8330-7443      4        0      0             2      0   \n",
-       "0000-0001-9670-515X      0        0      0             0      0   \n",
-       "...                    ...      ...    ...           ...    ...   \n",
-       "0000-0003-1204-6009     10        0      0             0      0   \n",
-       "0000-0002-3472-7668      0        0      0             0      0   \n",
-       "0000-0002-9602-0529      1        0      0             0      0   \n",
-       "0000-0003-4402-5982      0        0      0             0      0   \n",
-       "0000-0002-1734-7241      6        0      0             3      0   \n",
+       "                         url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "433       [github.com, linkedin.com]       1.0     2.0    NaN         NaN   \n",
+       "497                              NaN       1.0     NaN    NaN         NaN   \n",
+       "898                              NaN       1.0     NaN    NaN         7.0   \n",
+       "1719                             NaN       1.0     NaN    1.0         NaN   \n",
+       "6829                             NaN       1.0     NaN    NaN         3.0   \n",
+       "...                              ...       ...     ...    ...         ...   \n",
+       "10985816              [fu-berlin.de]       1.0     1.0    NaN         NaN   \n",
+       "10986027              [linkedin.com]       1.0     1.0    NaN         NaN   \n",
+       "10987501                         NaN       1.0     NaN    NaN         NaN   \n",
+       "10987829                         NaN       1.0     NaN    NaN         NaN   \n",
+       "10988444                         NaN       1.0     NaN    NaN         5.0   \n",
        "\n",
-       "                    primary_email_domain    other_email_domains  \\\n",
-       "0000-0001-9097-2281                  NaN         [in.bosch.com]   \n",
-       "0000-0002-8614-3007                  NaN            [hct.ac.ae]   \n",
-       "0000-0003-3728-6439                  NaN  [pascualbravo.edu.co]   \n",
-       "0000-0001-8330-7443                  NaN             [yale.edu]   \n",
-       "0000-0001-9670-515X                  NaN            [gmail.com]   \n",
-       "...                                  ...                    ...   \n",
-       "0000-0003-1204-6009                  NaN          [cs.ox.ac.uk]   \n",
-       "0000-0002-3472-7668                  NaN          [kuleuven.be]   \n",
-       "0000-0002-9602-0529                  NaN         [cecot.com.br]   \n",
-       "0000-0003-4402-5982                  NaN            [ime.eb.br]   \n",
-       "0000-0002-1734-7241                  NaN          [hotmail.com]   \n",
+       "          n_education  n_employment  \n",
+       "433               NaN           2.0  \n",
+       "497               NaN           NaN  \n",
+       "898               1.0           1.0  \n",
+       "1719              4.0           2.0  \n",
+       "6829              3.0           NaN  \n",
+       "...               ...           ...  \n",
+       "10985816          3.0           2.0  \n",
+       "10986027          2.0           1.0  \n",
+       "10987501          NaN           NaN  \n",
+       "10987829          2.0           1.0  \n",
+       "10988444          NaN           1.0  \n",
        "\n",
-       "                                    url_domains  n_emails  n_urls  n_ids  \\\n",
-       "0000-0001-9097-2281  [github.com, linkedin.com]       1.0     2.0    NaN   \n",
-       "0000-0002-8614-3007                         NaN       1.0     NaN    NaN   \n",
-       "0000-0003-3728-6439                         NaN       1.0     NaN    NaN   \n",
-       "0000-0001-8330-7443                         NaN       1.0     NaN    1.0   \n",
-       "0000-0001-9670-515X                         NaN       1.0     NaN    NaN   \n",
-       "...                                         ...       ...     ...    ...   \n",
-       "0000-0003-1204-6009              [fu-berlin.de]       1.0     1.0    NaN   \n",
-       "0000-0002-3472-7668              [linkedin.com]       1.0     1.0    NaN   \n",
-       "0000-0002-9602-0529                         NaN       1.0     NaN    NaN   \n",
-       "0000-0003-4402-5982                         NaN       1.0     NaN    NaN   \n",
-       "0000-0002-1734-7241                         NaN       1.0     NaN    NaN   \n",
-       "\n",
-       "                     n_keywords  n_education  n_employment  \n",
-       "0000-0001-9097-2281         NaN          NaN           2.0  \n",
-       "0000-0002-8614-3007         NaN          NaN           NaN  \n",
-       "0000-0003-3728-6439         7.0          1.0           1.0  \n",
-       "0000-0001-8330-7443         NaN          4.0           2.0  \n",
-       "0000-0001-9670-515X         3.0          3.0           NaN  \n",
-       "...                         ...          ...           ...  \n",
-       "0000-0003-1204-6009         NaN          3.0           2.0  \n",
-       "0000-0002-3472-7668         NaN          2.0           1.0  \n",
-       "0000-0002-9602-0529         NaN          NaN           NaN  \n",
-       "0000-0003-4402-5982         NaN          2.0           1.0  \n",
-       "0000-0002-1734-7241         5.0          NaN           1.0  \n",
-       "\n",
-       "[19692 rows x 30 columns]"
+       "[19814 rows x 30 columns]"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 23,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -5326,7 +5363,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [
     {
@@ -5384,8 +5421,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0001-7402-0096</th>\n",
-       "      <td>1</td>\n",
+       "      <th>6</th>\n",
+       "      <td>0000-0001-7402-0096</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -5417,8 +5454,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-8377-3508</th>\n",
-       "      <td>1</td>\n",
+       "      <th>11</th>\n",
+       "      <td>0000-0001-8377-3508</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -5450,8 +5487,8 @@
        "      <td>3.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-2638-4108</th>\n",
-       "      <td>1</td>\n",
+       "      <th>29</th>\n",
+       "      <td>0000-0002-2638-4108</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -5459,7 +5496,7 @@
        "      <td>investigador de la universidad de oviedo. depa...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[constitutional law, history of political thou...</td>\n",
+       "      <td>[constitutional history, history of political ...</td>\n",
        "      <td>[[scopus author id, 54394231000]]</td>\n",
        "      <td>[[public law, ph doctor, university of oviedo,...</td>\n",
        "      <td>[[professor of constitutional law, university ...</td>\n",
@@ -5483,8 +5520,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-1435-6545</th>\n",
-       "      <td>1</td>\n",
+       "      <th>46</th>\n",
+       "      <td>0000-0003-1435-6545</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>NaN</td>\n",
@@ -5492,7 +5529,7 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[migration, culture cell, prostate cancer]</td>\n",
+       "      <td>[prostate cancer, migration, culture cell]</td>\n",
        "      <td>[[researcherid, p-2223-2018]]</td>\n",
        "      <td>[[morfologia, , universidade estadual paulista...</td>\n",
        "      <td>[[, universidade estadual paulista (unesp), in...</td>\n",
@@ -5516,8 +5553,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-1284-9741</th>\n",
-       "      <td>1</td>\n",
+       "      <th>158</th>\n",
+       "      <td>0000-0003-1284-9741</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>alex percy antonio</td>\n",
@@ -5553,99 +5590,92 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0001-7402-0096      1               1                       1   \n",
-       "0000-0001-8377-3508      1               1                       1   \n",
-       "0000-0002-2638-4108      1               1                       1   \n",
-       "0000-0003-1435-6545      1               1                       1   \n",
-       "0000-0003-1284-9741      1               1                       1   \n",
+       "                   orcid  verified_email  verified_primary_email  \\\n",
+       "6    0000-0001-7402-0096               1                       1   \n",
+       "11   0000-0001-8377-3508               1                       1   \n",
+       "29   0000-0002-2638-4108               1                       1   \n",
+       "46   0000-0003-1435-6545               1                       1   \n",
+       "158  0000-0003-1284-9741               1                       1   \n",
        "\n",
-       "                            given_names       family_name  \\\n",
-       "0000-0001-7402-0096                 NaN               NaN   \n",
-       "0000-0001-8377-3508                 NaN               NaN   \n",
-       "0000-0002-2638-4108                 NaN               NaN   \n",
-       "0000-0003-1435-6545                 NaN               NaN   \n",
-       "0000-0003-1284-9741  alex percy antonio  manriquez paisig   \n",
+       "            given_names       family_name  \\\n",
+       "6                   NaN               NaN   \n",
+       "11                  NaN               NaN   \n",
+       "29                  NaN               NaN   \n",
+       "46                  NaN               NaN   \n",
+       "158  alex percy antonio  manriquez paisig   \n",
        "\n",
-       "                                                             biography  \\\n",
-       "0000-0001-7402-0096                                                NaN   \n",
-       "0000-0001-8377-3508                                                NaN   \n",
-       "0000-0002-2638-4108  investigador de la universidad de oviedo. depa...   \n",
-       "0000-0003-1435-6545                                                NaN   \n",
-       "0000-0003-1284-9741                                                NaN   \n",
+       "                                             biography  \\\n",
+       "6                                                  NaN   \n",
+       "11                                                 NaN   \n",
+       "29   investigador de la universidad de oviedo. depa...   \n",
+       "46                                                 NaN   \n",
+       "158                                                NaN   \n",
        "\n",
-       "                                    other_names primary_email  \\\n",
-       "0000-0001-7402-0096                         NaN           NaN   \n",
-       "0000-0001-8377-3508  [fontana, milena da silva]           NaN   \n",
-       "0000-0002-2638-4108                         NaN           NaN   \n",
-       "0000-0003-1435-6545                         NaN           NaN   \n",
-       "0000-0003-1284-9741                         NaN           NaN   \n",
+       "                    other_names primary_email  \\\n",
+       "6                           NaN           NaN   \n",
+       "11   [fontana, milena da silva]           NaN   \n",
+       "29                          NaN           NaN   \n",
+       "46                          NaN           NaN   \n",
+       "158                         NaN           NaN   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0001-7402-0096                                                NaN   \n",
-       "0000-0001-8377-3508               [educação; informática; matemática.]   \n",
-       "0000-0002-2638-4108  [constitutional law, history of political thou...   \n",
-       "0000-0003-1435-6545         [migration, culture cell, prostate cancer]   \n",
-       "0000-0003-1284-9741                                                NaN   \n",
+       "                                              keywords  \\\n",
+       "6                                                  NaN   \n",
+       "11                [educação; informática; matemática.]   \n",
+       "29   [constitutional history, history of political ...   \n",
+       "46          [prostate cancer, migration, culture cell]   \n",
+       "158                                                NaN   \n",
        "\n",
-       "                                          external_ids  \\\n",
-       "0000-0001-7402-0096                                NaN   \n",
-       "0000-0001-8377-3508                                NaN   \n",
-       "0000-0002-2638-4108  [[scopus author id, 54394231000]]   \n",
-       "0000-0003-1435-6545      [[researcherid, p-2223-2018]]   \n",
-       "0000-0003-1284-9741                                NaN   \n",
+       "                          external_ids  \\\n",
+       "6                                  NaN   \n",
+       "11                                 NaN   \n",
+       "29   [[scopus author id, 54394231000]]   \n",
+       "46       [[researcherid, p-2223-2018]]   \n",
+       "158                                NaN   \n",
        "\n",
-       "                                                             education  \\\n",
-       "0000-0001-7402-0096                                                NaN   \n",
-       "0000-0001-8377-3508                                                NaN   \n",
-       "0000-0002-2638-4108  [[public law, ph doctor, university of oviedo,...   \n",
-       "0000-0003-1435-6545  [[morfologia, , universidade estadual paulista...   \n",
-       "0000-0003-1284-9741                                                NaN   \n",
+       "                                             education  \\\n",
+       "6                                                  NaN   \n",
+       "11                                                 NaN   \n",
+       "29   [[public law, ph doctor, university of oviedo,...   \n",
+       "46   [[morfologia, , universidade estadual paulista...   \n",
+       "158                                                NaN   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0001-7402-0096  [[, kth royal institute of technology, stockho...   \n",
-       "0000-0001-8377-3508  [[, instituto federal de educação, ciência e t...   \n",
-       "0000-0002-2638-4108  [[professor of constitutional law, university ...   \n",
-       "0000-0003-1435-6545  [[, universidade estadual paulista (unesp), in...   \n",
-       "0000-0003-1284-9741                                                NaN   \n",
+       "                                            employment  n_works works_source  \\\n",
+       "6    [[, kth royal institute of technology, stockho...        0          NaN   \n",
+       "11   [[, instituto federal de educação, ciência e t...        0          NaN   \n",
+       "29   [[professor of constitutional law, university ...        1   [crossref]   \n",
+       "46   [[, universidade estadual paulista (unesp), in...        0          NaN   \n",
+       "158                                                NaN        0          NaN   \n",
        "\n",
-       "                     n_works works_source           activation_date  \\\n",
-       "0000-0001-7402-0096        0          NaN  2015-01-11t15:13:06.467z   \n",
-       "0000-0001-8377-3508        0          NaN  2018-05-23t23:39:04.534z   \n",
-       "0000-0002-2638-4108        1   [crossref]  2013-03-25t14:38:06.016z   \n",
-       "0000-0003-1435-6545        0          NaN  2018-08-09t12:12:24.405z   \n",
-       "0000-0003-1284-9741        0          NaN  2020-09-08t20:04:33.906z   \n",
+       "              activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "6    2015-01-11t15:13:06.467z  2016-06-14t23:55:59.896z      0        0   \n",
+       "11   2018-05-23t23:39:04.534z  2019-10-16t02:50:11.007z      0        0   \n",
+       "29   2013-03-25t14:38:06.016z  2020-07-01t13:10:37.025z      1        0   \n",
+       "46   2018-08-09t12:12:24.405z  2020-04-22t01:38:03.184z      0        0   \n",
+       "158  2020-09-08t20:04:33.906z  2020-09-08t20:25:55.432z      0        0   \n",
        "\n",
-       "                             last_update_date  n_doi  n_arxiv  n_pmc  \\\n",
-       "0000-0001-7402-0096  2016-06-14t23:55:59.896z      0        0      0   \n",
-       "0000-0001-8377-3508  2019-10-16t02:50:11.007z      0        0      0   \n",
-       "0000-0002-2638-4108  2020-07-01t13:10:37.025z      1        0      0   \n",
-       "0000-0003-1435-6545  2020-04-22t01:38:03.184z      0        0      0   \n",
-       "0000-0003-1284-9741  2020-09-08t20:25:55.432z      0        0      0   \n",
+       "     n_pmc  n_other_pids  label primary_email_domain other_email_domains  \\\n",
+       "6        0             0      0                  NaN                 NaN   \n",
+       "11       0             0      0                  NaN                 NaN   \n",
+       "29       0             0      0                  NaN                 NaN   \n",
+       "46       0             0      0                  NaN                 NaN   \n",
+       "158      0             0      0                  NaN                 NaN   \n",
        "\n",
-       "                     n_other_pids  label primary_email_domain  \\\n",
-       "0000-0001-7402-0096             0      0                  NaN   \n",
-       "0000-0001-8377-3508             0      0                  NaN   \n",
-       "0000-0002-2638-4108             0      0                  NaN   \n",
-       "0000-0003-1435-6545             0      0                  NaN   \n",
-       "0000-0003-1284-9741             0      0                  NaN   \n",
+       "                 url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "6                   [kth.se]       NaN     1.0    NaN         NaN   \n",
+       "11                 [cnpq.br]       NaN     1.0    NaN         1.0   \n",
+       "29            [unioviedo.es]       NaN     1.0    1.0         3.0   \n",
+       "46   [cnpq.br, linkedin.com]       NaN     2.0    1.0         3.0   \n",
+       "158            [youtube.com]       NaN     1.0    NaN         NaN   \n",
        "\n",
-       "                    other_email_domains              url_domains  n_emails  \\\n",
-       "0000-0001-7402-0096                 NaN                 [kth.se]       NaN   \n",
-       "0000-0001-8377-3508                 NaN                [cnpq.br]       NaN   \n",
-       "0000-0002-2638-4108                 NaN           [unioviedo.es]       NaN   \n",
-       "0000-0003-1435-6545                 NaN  [cnpq.br, linkedin.com]       NaN   \n",
-       "0000-0003-1284-9741                 NaN            [youtube.com]       NaN   \n",
-       "\n",
-       "                     n_urls  n_ids  n_keywords  n_education  n_employment  \n",
-       "0000-0001-7402-0096     1.0    NaN         NaN          NaN           1.0  \n",
-       "0000-0001-8377-3508     1.0    NaN         1.0          NaN           3.0  \n",
-       "0000-0002-2638-4108     1.0    1.0         3.0          1.0           1.0  \n",
-       "0000-0003-1435-6545     2.0    1.0         3.0          1.0           1.0  \n",
-       "0000-0003-1284-9741     1.0    NaN         NaN          NaN           NaN  "
+       "     n_education  n_employment  \n",
+       "6            NaN           1.0  \n",
+       "11           NaN           3.0  \n",
+       "29           1.0           1.0  \n",
+       "46           1.0           1.0  \n",
+       "158          NaN           NaN  "
       ]
      },
-     "execution_count": 26,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -5656,7 +5686,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [
     {
@@ -5686,28 +5716,28 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1234-835X</th>\n",
-       "      <td>1</td>\n",
+       "      <th>3226518</th>\n",
+       "      <td>0000-0002-1234-835X</td>\n",
        "      <td>219.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-7478-4539</th>\n",
-       "      <td>1</td>\n",
+       "      <th>4206055</th>\n",
+       "      <td>0000-0001-7478-4539</td>\n",
        "      <td>174.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7392-3792</th>\n",
-       "      <td>1</td>\n",
+       "      <th>4901870</th>\n",
+       "      <td>0000-0002-7392-3792</td>\n",
        "      <td>169.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6938-9638</th>\n",
-       "      <td>1</td>\n",
+       "      <th>8184260</th>\n",
+       "      <td>0000-0002-6938-9638</td>\n",
        "      <td>152.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-5710-4041</th>\n",
-       "      <td>1</td>\n",
+       "      <th>2743648</th>\n",
+       "      <td>0000-0002-5710-4041</td>\n",
        "      <td>114.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -5716,65 +5746,65 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1686-1935</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989644</th>\n",
+       "      <td>0000-0002-1686-1935</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-3800-6331</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989645</th>\n",
+       "      <td>0000-0002-3800-6331</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8783-5814</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989646</th>\n",
+       "      <td>0000-0002-8783-5814</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7584-2283</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989647</th>\n",
+       "      <td>0000-0002-7584-2283</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0529-3538</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989648</th>\n",
+       "      <td>0000-0003-0529-3538</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>10916574 rows × 2 columns</p>\n",
+       "<p>10989649 rows × 2 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  n_urls\n",
-       "0000-0002-1234-835X      1   219.0\n",
-       "0000-0001-7478-4539      1   174.0\n",
-       "0000-0002-7392-3792      1   169.0\n",
-       "0000-0002-6938-9638      1   152.0\n",
-       "0000-0002-5710-4041      1   114.0\n",
-       "...                    ...     ...\n",
-       "0000-0002-1686-1935      1     NaN\n",
-       "0000-0002-3800-6331      1     NaN\n",
-       "0000-0002-8783-5814      1     NaN\n",
-       "0000-0002-7584-2283      1     NaN\n",
-       "0000-0003-0529-3538      1     NaN\n",
+       "                        orcid  n_urls\n",
+       "3226518   0000-0002-1234-835X   219.0\n",
+       "4206055   0000-0001-7478-4539   174.0\n",
+       "4901870   0000-0002-7392-3792   169.0\n",
+       "8184260   0000-0002-6938-9638   152.0\n",
+       "2743648   0000-0002-5710-4041   114.0\n",
+       "...                       ...     ...\n",
+       "10989644  0000-0002-1686-1935     NaN\n",
+       "10989645  0000-0002-3800-6331     NaN\n",
+       "10989646  0000-0002-8783-5814     NaN\n",
+       "10989647  0000-0002-7584-2283     NaN\n",
+       "10989648  0000-0003-0529-3538     NaN\n",
        "\n",
-       "[10916574 rows x 2 columns]"
+       "[10989649 rows x 2 columns]"
       ]
      },
-     "execution_count": 27,
+     "execution_count": 25,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "urls_by_orcid = df.sort_values('n_urls', ascending=False)[['orcid', 'n_urls']]\n",
+    "urls_by_orcid = df[['orcid', 'n_urls']].sort_values('n_urls', ascending=False)\n",
     "urls_by_orcid"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 65,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [
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        "                            \n",
-       "var gd = document.getElementById('0e607391-8ec7-4259-853c-155913efe159');\n",
+       "var gd = document.getElementById('1aaa1cce-071c-435b-9de6-a436939ec194');\n",
        "var x = new MutationObserver(function (mutations, observer) {{\n",
        "        var display = window.getComputedStyle(gd).display;\n",
        "        if (!display || display === 'none') {{\n",
@@ -6852,7 +6882,7 @@
     "set_top_n(100)\n",
     "data = [\n",
     "    go.Bar(\n",
-    "        x=urls_by_orcid[:TOP_N].index,\n",
+    "        x=urls_by_orcid[:TOP_N]['orcid'],\n",
     "        y=urls_by_orcid[:TOP_N]['n_urls']\n",
     "    )\n",
     "]\n",
@@ -6867,7 +6897,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -6881,7 +6911,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [
     {
@@ -6917,14 +6947,14 @@
           "youtube.com",
           "wixsite.com",
           "ku.dk",
-          "scopus.com",
           "",
+          "scopus.com",
           "weebly.com",
           "us.es",
           "kth.se",
           "cityu.edu.hk",
-          "kcl.ac.uk",
           "au.dk",
+          "kcl.ac.uk",
           "man.ac.uk",
           "google.com.au",
           "ucl.ac.uk",
@@ -6933,71 +6963,71 @@
           "researcherid.com",
           "mq.edu.au",
           "ntu.edu.tw",
+          "dtu.dk",
           "rug.nl",
           "colciencias.gov.co",
           "google.co.in",
-          "dtu.dk",
           "bris.ac.uk",
           "uwa.edu.au",
-          "bu.edu",
           "uc3m.es",
           "vub.be",
+          "bu.edu",
           "monash.edu",
           "google.co.uk",
           "aau.dk",
           "lancs.ac.uk"
          ],
          "y": [
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+          2134,
           2133,
-          2131,
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-          1940,
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-          1805,
+          2094,
+          2002,
+          1975,
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+          1917,
+          1840,
+          1820,
+          1804,
+          1803,
           1803,
-          1788,
           1772,
-          1652,
-          1652,
-          1648
+          1656,
+          1653,
+          1650
          ]
         }
        ],
@@ -7824,9 +7854,9 @@
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\"linecolor\": \"white\", \"ticks\": \"\", \"title\": {\"standoff\": 15}, \"zerolinecolor\": \"white\", \"zerolinewidth\": 2}}}, \"title\": {\"text\": \"Top-50 URL domains\"}, \"xaxis\": {\"range\": [-0.5, 49.5], \"tickangle\": 45, \"tickfont\": {\"size\": 12}}},                        {\"responsive\": true}                    ).then(function(){\n",
        "                            \n",
-       "var gd = document.getElementById('c6500b12-96cc-4ab3-bca2-b00545d9a385');\n",
+       "var gd = document.getElementById('01c12397-c22b-435f-8e2e-534814f78458');\n",
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        "        var display = window.getComputedStyle(gd).display;\n",
        "        if (!display || display === 'none') {{\n",
@@ -7879,6 +7909,1360 @@
     "## URLs speculation"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
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+       "      <td>ryszard</td>\n",
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+       "      <td>franklin américo</td>\n",
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+       "      <td>[biowebspin.com, biowebspin.com, google.com, l...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>73.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10257808</th>\n",
+       "      <td>0000-0002-4062-3603</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>juan de dios</td>\n",
+       "      <td>beltrán mancilla</td>\n",
+       "      <td>juan de dios beltrán mancilla (*) filósofo aut...</td>\n",
+       "      <td>[juan de dios beltrán mancilla, filósofo autod...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[filosofia medicina arquitectura economía dere...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[, diplomado en practicas directivas  para or...</td>\n",
+       "      <td>[[inspector general jornada vespertina // de 2...</td>\n",
+       "      <td>11</td>\n",
+       "      <td>[juan de dios beltr´´án mancilla]</td>\n",
+       "      <td>2020-04-19t21:06:33.495z</td>\n",
+       "      <td>2021-02-10t20:13:07.698z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>7</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[yumpu.com, ijopm.org, google.com, blogspot.co...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>69.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>8.0</td>\n",
+       "      <td>6.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10486212</th>\n",
+       "      <td>0000-0002-3997-5070</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>dr. parameshachari</td>\n",
+       "      <td>b d</td>\n",
+       "      <td>dr. parameshachari b dacm distinguished speake...</td>\n",
+       "      <td>[dr. parameshachari b d]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[professor &amp; head |dept. of tce| gsssiet for w...</td>\n",
+       "      <td>[[researcherid, f-7045-2018], [scopus author i...</td>\n",
+       "      <td>[[electronics and communication engineering, p...</td>\n",
+       "      <td>[[acm distinguished speaker (volunteer), assoc...</td>\n",
+       "      <td>93</td>\n",
+       "      <td>[publons, multidisciplinary digital publishing...</td>\n",
+       "      <td>2016-08-24t11:00:30.403z</td>\n",
+       "      <td>2021-03-23t07:16:22.582z</td>\n",
+       "      <td>47</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>48</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[geethashishu.in, geethashishu.in, acm.org, go...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>71.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>6.0</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>10.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10652632</th>\n",
+       "      <td>0000-0003-2593-7134</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>aan</td>\n",
+       "      <td>jaelani</td>\n",
+       "      <td>all my papers can be downloaded from portal:re...</td>\n",
+       "      <td>[jaelani, a., jaelani, aan]</td>\n",
+       "      <td>aan_jaelani@syekhnurjati.ac.id</td>\n",
+       "      <td>[tourism industry, islamic finance and banking...</td>\n",
+       "      <td>[[scopus author id, 57195963463], [loop profil...</td>\n",
+       "      <td>[[post graduate, s3/dr, universitas islam nege...</td>\n",
+       "      <td>[[dr, institut agama islam negeri syekh nurjat...</td>\n",
+       "      <td>79</td>\n",
+       "      <td>[publons, aan jaelani, scopus - elsevier, dime...</td>\n",
+       "      <td>2016-03-02t18:37:44.989z</td>\n",
+       "      <td>2021-03-19t10:11:57.908z</td>\n",
+       "      <td>88</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>193</td>\n",
+       "      <td>1</td>\n",
+       "      <td>syekhnurjati.ac.id</td>\n",
+       "      <td>[gmail.com]</td>\n",
+       "      <td>[microsoft.com, twitter.com, academia.edu, aca...</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>67.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>7.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                        orcid  verified_email  verified_primary_email  \\\n",
+       "1025713   0000-0003-2407-3557               1                       1   \n",
+       "2743648   0000-0002-5710-4041               1                       1   \n",
+       "3011724   0000-0003-2450-090X               1                       1   \n",
+       "3881064   0000-0002-3920-7389               1                       1   \n",
+       "7466062   0000-0002-1929-6054               1                       1   \n",
+       "7517096   0000-0003-4948-9268               1                       1   \n",
+       "8068275   0000-0003-2183-8112               1                       1   \n",
+       "8184260   0000-0002-6938-9638               1                       1   \n",
+       "8791256   0000-0002-9025-8632               1                       1   \n",
+       "10174509  0000-0002-9965-2425               1                       1   \n",
+       "10257808  0000-0002-4062-3603               1                       1   \n",
+       "10486212  0000-0002-3997-5070               1                       1   \n",
+       "10652632  0000-0003-2593-7134               1                       1   \n",
+       "\n",
+       "                 given_names        family_name  \\\n",
+       "1025713                abdul               aziz   \n",
+       "2743648              ryszard           romaniuk   \n",
+       "3011724               eduard            babulak   \n",
+       "3881064                   а.              гусев   \n",
+       "7466062     franklin américo      canaza choque   \n",
+       "7517096             gustavo             duperré   \n",
+       "8068275        pelayo munhoz               olea   \n",
+       "8184260               adolfo    catral sanabria   \n",
+       "8791256          buycannabis         dispensary   \n",
+       "10174509            jaroslaw           spychala   \n",
+       "10257808       juan de dios   beltrán mancilla    \n",
+       "10486212  dr. parameshachari                b d   \n",
+       "10652632                 aan            jaelani   \n",
+       "\n",
+       "                                                  biography  \\\n",
+       "1025713   abdul aziz was born on may 25, 1973, in brebes...   \n",
+       "2743648   professor of electronics and communications en...   \n",
+       "3011724   professor eduard babulak is accomplished inter...   \n",
+       "3881064   surname, name gusev  alexander leonidovichdate...   \n",
+       "7466062   docente-investigador social. maestrando en der...   \n",
+       "7517096   gustavo norberto duperré graduated in arts and...   \n",
+       "8068275   pós-doutorado em gestão ambiental pela univers...   \n",
+       "8184260   my education is in computer science, mathemati...   \n",
+       "8791256   we procure and deliver premium cannabis strain...   \n",
+       "10174509  jaroslaw spychala has received a doctoral degr...   \n",
+       "10257808  juan de dios beltrán mancilla (*) filósofo aut...   \n",
+       "10486212  dr. parameshachari b dacm distinguished speake...   \n",
+       "10652632  all my papers can be downloaded from portal:re...   \n",
+       "\n",
+       "                                                other_names  \\\n",
+       "1025713   [abdul aziz, aziz, abdul, aziz, a., aziz, abd,...   \n",
+       "2743648   [r.romaniuk, r.s.romaniuk, ryszard romaniuk, r...   \n",
+       "3011724                          [professor eduard babulak]   \n",
+       "3881064   [alexander l. gusev , alexander leonidovich gu...   \n",
+       "7466062   [franklin américo canaza-choque , franklin a. ...   \n",
+       "7517096   [gustavo norberto duperré, duperré, g. n., gus...   \n",
+       "8068275   [ munhoz, pelayo olea,  olea, pelayo,  olea, p...   \n",
+       "8184260                                                 NaN   \n",
+       "8791256   [we procure and deliver premium cannabis strai...   \n",
+       "10174509                          [jaroslaw jozef spychala]   \n",
+       "10257808  [juan de dios beltrán mancilla, filósofo autod...   \n",
+       "10486212                           [dr. parameshachari b d]   \n",
+       "10652632                        [jaelani, a., jaelani, aan]   \n",
+       "\n",
+       "                           primary_email  \\\n",
+       "1025713                              NaN   \n",
+       "2743648               rrom@ise.pw.edu.pl   \n",
+       "3011724                              NaN   \n",
+       "3881064                              NaN   \n",
+       "7466062            leo_123fa@hotmail.com   \n",
+       "7517096      gustavo.duperre@usal.edu.ar   \n",
+       "8068275                              NaN   \n",
+       "8184260                              NaN   \n",
+       "8791256                              NaN   \n",
+       "10174509                             NaN   \n",
+       "10257808                             NaN   \n",
+       "10486212                             NaN   \n",
+       "10652632  aan_jaelani@syekhnurjati.ac.id   \n",
+       "\n",
+       "                                                   keywords  \\\n",
+       "1025713   [ekonomi islam, etika bisnis islam, ilmu ekono...   \n",
+       "2743648   [measurement systems, electronics, photonics, ...   \n",
+       "3011724   [next generation of ict and eservices, compute...   \n",
+       "3881064   [photochromic, electrochromic, storage and tra...   \n",
+       "7466062   [justicia global; democracia; derechos humanos...   \n",
+       "7517096   [sciences of antiquity, social sciences, compu...   \n",
+       "8068275      [empreendedorismo, sustentabilidade, inovação]   \n",
+       "8184260                                                 NaN   \n",
+       "8791256   [canabis dispensary, cannabis, cannabis commun...   \n",
+       "10174509  [medicinal and pharmaceutical chemistry, photo...   \n",
+       "10257808  [filosofia medicina arquitectura economía dere...   \n",
+       "10486212  [professor & head |dept. of tce| gsssiet for w...   \n",
+       "10652632  [tourism industry, islamic finance and banking...   \n",
+       "\n",
+       "                                               external_ids  \\\n",
+       "1025713                                                 NaN   \n",
+       "2743648   [[isni, 0000000071432485], [researcherid, b-91...   \n",
+       "3011724   [[scopus author id, 6506867432], [researcherid...   \n",
+       "3881064   [[researcherid, f-8048-2014], [scopus author i...   \n",
+       "7466062   [[researcherid, p-8613-2018], [loop profile, 8...   \n",
+       "7517096   [[scopus author id, 57195936346], [researcheri...   \n",
+       "8068275   [[scopus author id, 55175503300], [researcheri...   \n",
+       "8184260                            [[loop profile, 747193]]   \n",
+       "8791256                                                 NaN   \n",
+       "10174509                   [[scopus author id, 7006745874]]   \n",
+       "10257808                                                NaN   \n",
+       "10486212  [[researcherid, f-7045-2018], [scopus author i...   \n",
+       "10652632  [[scopus author id, 57195963463], [loop profil...   \n",
+       "\n",
+       "                                                  education  \\\n",
+       "1025713   [[ilmu ekonomi, dr, universitas borobudur, jak...   \n",
+       "2743648   [[faculty of electronics and information techn...   \n",
+       "3011724   [[information technology, doctor habilitated (...   \n",
+       "3881064   [[chemical technology and cryogenic-vacuum tec...   \n",
+       "7466062   [[facultad de ciencias de la educación , maest...   \n",
+       "7517096   [[programme in history, history of art and ter...   \n",
+       "8068275   [[, postdoctoral in environmental sustainabili...   \n",
+       "8184260   [[education, capacitación para la enseñanza en...   \n",
+       "8791256                                                 NaN   \n",
+       "10174509  [[department of chemistry, postdoctoral associ...   \n",
+       "10257808  [[, diplomado en practicas directivas  para or...   \n",
+       "10486212  [[electronics and communication engineering, p...   \n",
+       "10652632  [[post graduate, s3/dr, universitas islam nege...   \n",
+       "\n",
+       "                                                 employment  n_works  \\\n",
+       "1025713   [[assisten professor/dr, institut agama islam ...       72   \n",
+       "2743648   [[professor, institute director, politechnika ...     5008   \n",
+       "3011724   [[consultant, horizon 2020 framework programme...      274   \n",
+       "3881064   [[general director, scientific technical centr...      472   \n",
+       "7466062   [[investigador social, universidad católica de...       39   \n",
+       "7517096   [[titular professor, dirección general de cult...       41   \n",
+       "8068275   [[professor, universidade federal do rio grand...     1109   \n",
+       "8184260                                                 NaN     2023   \n",
+       "8791256                                                 NaN       10   \n",
+       "10174509  [[assistant professor, adam mickiewicz univers...       29   \n",
+       "10257808  [[inspector general jornada vespertina // de 2...       11   \n",
+       "10486212  [[acm distinguished speaker (volunteer), assoc...       93   \n",
+       "10652632  [[dr, institut agama islam negeri syekh nurjat...       79   \n",
+       "\n",
+       "                                               works_source  \\\n",
+       "1025713   [base - bielefeld academic search engine, abdu...   \n",
+       "2743648   [inspire-hep, researcherid, isni2orcid search ...   \n",
+       "3011724   [the lens, base - bielefeld academic search en...   \n",
+       "3881064   [publons, datacite, scopus - elsevier, a.l. gu...   \n",
+       "7466062   [researcherid, base - bielefeld academic searc...   \n",
+       "7517096   [gustavo duperré, scopus - elsevier, publons, ...   \n",
+       "8068275   [the lens, pelayo munhoz olea, dimensions, bas...   \n",
+       "8184260   [base - bielefeld academic search engine, data...   \n",
+       "8791256                          [goowonderland dispensary]   \n",
+       "10174509                                [scopus - elsevier]   \n",
+       "10257808                  [juan de dios beltr´´án mancilla]   \n",
+       "10486212  [publons, multidisciplinary digital publishing...   \n",
+       "10652632  [publons, aan jaelani, scopus - elsevier, dime...   \n",
+       "\n",
+       "                   activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "1025713   2016-09-12t04:41:24.842z  2021-01-26t11:58:33.039z     19        0   \n",
+       "2743648   2013-01-20t12:09:21.600z  2021-03-16t19:37:31.650z   1221       25   \n",
+       "3011724   2013-04-03t08:02:30.013z  2021-02-28t10:07:13.231z    199        0   \n",
+       "3881064   2014-05-14t00:01:28.030z  2021-01-16t13:44:14.134z     37        0   \n",
+       "7466062   2017-09-15t19:45:43.483z  2021-03-23t20:12:47.297z     30        0   \n",
+       "7517096   2020-02-22t15:49:52.386z  2021-03-12t15:13:44.065z     13        0   \n",
+       "8068275   2013-02-04t17:25:34.723z  2021-03-19t18:51:01.128z    798        0   \n",
+       "8184260   2019-05-07t19:27:02.210z  2020-12-10t23:39:15.236z   2022        0   \n",
+       "8791256   2020-12-09t21:19:46.004z  2020-12-10t01:17:28.772z      0        0   \n",
+       "10174509  2014-09-18t12:34:14.242z  2020-02-11t14:31:25.544z     15        0   \n",
+       "10257808  2020-04-19t21:06:33.495z  2021-02-10t20:13:07.698z      0        0   \n",
+       "10486212  2016-08-24t11:00:30.403z  2021-03-23t07:16:22.582z     47        0   \n",
+       "10652632  2016-03-02t18:37:44.989z  2021-03-19t10:11:57.908z     88        0   \n",
+       "\n",
+       "          n_pmc  n_other_pids  label primary_email_domain  \\\n",
+       "1025713       0            77      1                  NaN   \n",
+       "2743648       0          1742      1        ise.pw.edu.pl   \n",
+       "3011724       1           174      0                  NaN   \n",
+       "3881064       0            21      1                  NaN   \n",
+       "7466062       0            34      1          hotmail.com   \n",
+       "7517096       0            34      0          usal.edu.ar   \n",
+       "8068275       1           582      1                  NaN   \n",
+       "8184260       0            16      1                  NaN   \n",
+       "8791256       0             0      0                  NaN   \n",
+       "10174509      0            29      1                  NaN   \n",
+       "10257808      0             7      0                  NaN   \n",
+       "10486212      0            48      1                  NaN   \n",
+       "10652632      0           193      1   syekhnurjati.ac.id   \n",
+       "\n",
+       "                                        other_email_domains  \\\n",
+       "1025713                                                 NaN   \n",
+       "2743648            [ise.pw.edu.pl, elka.pw.edu.pl, cern.ch]   \n",
+       "3011724                                                 NaN   \n",
+       "3881064                                                 NaN   \n",
+       "7466062   [gmail.com, gmail.com, hotmail.com, baldwin.ed...   \n",
+       "7517096                                                 NaN   \n",
+       "8068275                                                 NaN   \n",
+       "8184260                                                 NaN   \n",
+       "8791256                                                 NaN   \n",
+       "10174509                                                NaN   \n",
+       "10257808                                                NaN   \n",
+       "10486212                                                NaN   \n",
+       "10652632                                        [gmail.com]   \n",
+       "\n",
+       "                                                url_domains  n_emails  n_urls  \\\n",
+       "1025713   [google.com, syekhnurjati.ac.id, orcid.org, bl...       NaN    59.0   \n",
+       "2743648   [google.pl, publons.com, scopus.com, mendeley....       3.0   114.0   \n",
+       "3011724   [worldassessmentcouncil.org, spseke.sk, bcs.or...       NaN   114.0   \n",
+       "3881064   [youtube.com, isjaee.com, researchgate.net, re...       NaN   111.0   \n",
+       "7466062   [concytec.gob.pe, redalyc.org, redalyc.org, un...       5.0    61.0   \n",
+       "7517096   [icomos.ro, unirioja.es, unirioja.es, unc.edu....       NaN    61.0   \n",
+       "8068275   [cnpq.br, cnpq.br, cnpq.br, cnpq.br, publons.c...       NaN    61.0   \n",
+       "8184260   [researchgate.net, youtube.com, linkedin.com, ...       NaN   152.0   \n",
+       "8791256   [goowonderland.com, goowonderland.com, goowond...       NaN    81.0   \n",
+       "10174509  [biowebspin.com, biowebspin.com, google.com, l...       NaN    73.0   \n",
+       "10257808  [yumpu.com, ijopm.org, google.com, blogspot.co...       NaN    69.0   \n",
+       "10486212  [geethashishu.in, geethashishu.in, acm.org, go...       NaN    71.0   \n",
+       "10652632  [microsoft.com, twitter.com, academia.edu, aca...       1.0    67.0   \n",
+       "\n",
+       "          n_ids  n_keywords  n_education  n_employment  \n",
+       "1025713     NaN         4.0          3.0           1.0  \n",
+       "2743648     3.0         5.0          1.0           1.0  \n",
+       "3011724     5.0         8.0          6.0          22.0  \n",
+       "3881064     2.0        16.0          2.0           7.0  \n",
+       "7466062     4.0         2.0          1.0           1.0  \n",
+       "7517096     2.0        11.0          6.0           5.0  \n",
+       "8068275     2.0         3.0          7.0           9.0  \n",
+       "8184260     1.0         NaN          6.0           NaN  \n",
+       "8791256     NaN         7.0          NaN           NaN  \n",
+       "10174509    1.0         4.0          4.0           2.0  \n",
+       "10257808    NaN         1.0          8.0           6.0  \n",
+       "10486212    3.0         6.0          5.0          10.0  \n",
+       "10652632    4.0         7.0          2.0           1.0  "
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df[(df['url_domains'].str.len() > 50) & (df['n_works'] > 0)]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
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+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>orcid</th>\n",
+       "      <th>verified_email</th>\n",
+       "      <th>verified_primary_email</th>\n",
+       "      <th>given_names</th>\n",
+       "      <th>family_name</th>\n",
+       "      <th>biography</th>\n",
+       "      <th>other_names</th>\n",
+       "      <th>primary_email</th>\n",
+       "      <th>keywords</th>\n",
+       "      <th>external_ids</th>\n",
+       "      <th>education</th>\n",
+       "      <th>employment</th>\n",
+       "      <th>n_works</th>\n",
+       "      <th>works_source</th>\n",
+       "      <th>activation_date</th>\n",
+       "      <th>last_update_date</th>\n",
+       "      <th>n_doi</th>\n",
+       "      <th>n_arxiv</th>\n",
+       "      <th>n_pmc</th>\n",
+       "      <th>n_other_pids</th>\n",
+       "      <th>label</th>\n",
+       "      <th>primary_email_domain</th>\n",
+       "      <th>other_email_domains</th>\n",
+       "      <th>url_domains</th>\n",
+       "      <th>n_emails</th>\n",
+       "      <th>n_urls</th>\n",
+       "      <th>n_ids</th>\n",
+       "      <th>n_keywords</th>\n",
+       "      <th>n_education</th>\n",
+       "      <th>n_employment</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>47439</th>\n",
+       "      <td>0000-0002-5967-2835</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>oleksiy</td>\n",
+       "      <td>goryayinov</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[алексей николаевич горяинов, о.м.горяїнов, а....</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[diagnostics, transport, logistics]</td>\n",
+       "      <td>[[researcherid, i-7977-2016]]</td>\n",
+       "      <td>[[, дистанционный курс «ctl.sc2x: supply chain...</td>\n",
+       "      <td>[[docent, kharkiv petro vasylenko national tec...</td>\n",
+       "      <td>274</td>\n",
+       "      <td>[oleksiy goryayinov]</td>\n",
+       "      <td>2014-08-03t18:06:42.925z</td>\n",
+       "      <td>2021-03-22t13:56:48.311z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[khntusg.com.ua, khntusg.com.ua, google.com.ua...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>13.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>14.0</td>\n",
+       "      <td>7.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>72557</th>\n",
+       "      <td>0000-0002-3505-2797</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>nurul</td>\n",
+       "      <td>malahayati</td>\n",
+       "      <td>google scholar</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[researcherid, q-3861-2017]]</td>\n",
+       "      <td>[[civil and transportation engineering , maste...</td>\n",
+       "      <td>[[senior lecturer, universitas syiah kuala, ba...</td>\n",
+       "      <td>6</td>\n",
+       "      <td>[nurul malahayati]</td>\n",
+       "      <td>2017-10-01t00:46:31.324z</td>\n",
+       "      <td>2019-08-19t15:52:47.253z</td>\n",
+       "      <td>3</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>3</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[google.com, ristekdikti.go.id, unsyiah.ac.id,...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>94081</th>\n",
+       "      <td>0000-0003-3670-9620</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>carlos</td>\n",
+       "      <td>barrera</td>\n",
+       "      <td>im individual inventor, and this is my work; s...</td>\n",
+       "      <td>[retrodynamic, novelinflow]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[imploturbocompressor, innovation, gearturbine...</td>\n",
+       "      <td>[[loop profile, 394457]]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1</td>\n",
+       "      <td>[carlos barrera]</td>\n",
+       "      <td>2016-08-29t20:32:10.362z</td>\n",
+       "      <td>2021-02-09t04:56:35.554z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[blogspot.mx, behance.net, authorstream.com, d...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>24.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>8.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>261673</th>\n",
+       "      <td>0000-0002-5441-0465</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>nuria</td>\n",
+       "      <td>hernández-león</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[nuria h. león, nuria hernández león, hernánde...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[business management, research, human resource...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[, course: social skills, university of salam...</td>\n",
+       "      <td>[[merchandise reception and expedition trainer...</td>\n",
+       "      <td>11</td>\n",
+       "      <td>[nuria hernández-león]</td>\n",
+       "      <td>2015-11-28t07:18:58.442z</td>\n",
+       "      <td>2021-03-05t16:37:47.403z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>4</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[feriaempresamujer.com, escueladenegociosydire...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>7.0</td>\n",
+       "      <td>19.0</td>\n",
+       "      <td>16.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>326211</th>\n",
+       "      <td>0000-0002-7781-6767</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>mohd nazri</td>\n",
+       "      <td>ismail</td>\n",
+       "      <td>born in penang, malaysia in 1971, dr. mohd had...</td>\n",
+       "      <td>[ndum (national defence university of malaysia)]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[sensor, iot, voice over ip, wsn, design of ne...</td>\n",
+       "      <td>[[scopus author id, 24372977800], [researcheri...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[lecturer, universiti pertahanan nasional mal...</td>\n",
+       "      <td>35</td>\n",
+       "      <td>[scopus - elsevier]</td>\n",
+       "      <td>2016-09-06t02:25:52.974z</td>\n",
+       "      <td>2020-10-20t06:55:55.051z</td>\n",
+       "      <td>24</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>35</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[google.com.my, researchgate.net, academia.edu...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>10.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>4.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10579801</th>\n",
+       "      <td>0000-0001-5087-6965</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>robert</td>\n",
+       "      <td>ohara</td>\n",
+       "      <td>systematics, evolutionary biology, and the his...</td>\n",
+       "      <td>[r. o’hara, r.j. o’hara, robert o’hara, robert...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[history and philosophy of science, ancient nu...</td>\n",
+       "      <td>[[isni, 0000000138200102], [researcherid, b-47...</td>\n",
+       "      <td>[[biology, ph.d., harvard university, cambridg...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>45</td>\n",
+       "      <td>[robert j. o’hara]</td>\n",
+       "      <td>2014-09-21t02:45:19.620z</td>\n",
+       "      <td>2020-07-09t06:51:09.228z</td>\n",
+       "      <td>23</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>72</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[rjohara.net, google.com, collegiateway.org, r...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>12.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10590882</th>\n",
+       "      <td>0000-0002-3318-9861</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>shagufta</td>\n",
+       "      <td>perveen</td>\n",
+       "      <td>prof. dr. shagufta perveen is a professor at k...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>shagufta792000@yahoo.com</td>\n",
+       "      <td>[shagufta perveen university of southampton, s...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[hej research institute of chemistry, phd che...</td>\n",
+       "      <td>[[professor, king saud university college of p...</td>\n",
+       "      <td>66</td>\n",
+       "      <td>[scopus - elsevier]</td>\n",
+       "      <td>2015-12-21t10:34:06.771z</td>\n",
+       "      <td>2021-02-22t14:58:30.893z</td>\n",
+       "      <td>56</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>66</td>\n",
+       "      <td>1</td>\n",
+       "      <td>yahoo.com</td>\n",
+       "      <td>[msu.edu, ksu.edu.sa]</td>\n",
+       "      <td>[shaguftaperveen.com, researchgate.net, ksu.ed...</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>11.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>25.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>7.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10766062</th>\n",
+       "      <td>0000-0001-8960-9004</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>susan</td>\n",
+       "      <td>bastani</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[s. bastani, سوسن باستانی]</td>\n",
+       "      <td>sbastani@alzahra.ac.ir</td>\n",
+       "      <td>[online and offline communities, personal netw...</td>\n",
+       "      <td>[[scopus author id, 16642098400]]</td>\n",
+       "      <td>[[sociology, ph.d., university of toronto, tor...</td>\n",
+       "      <td>[[professor, alzahra university, tehran, vanak...</td>\n",
+       "      <td>20</td>\n",
+       "      <td>[scopus - elsevier]</td>\n",
+       "      <td>2019-07-10t06:50:46.255z</td>\n",
+       "      <td>2020-10-07t04:08:01.961z</td>\n",
+       "      <td>19</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>33</td>\n",
+       "      <td>1</td>\n",
+       "      <td>alzahra.ac.ir</td>\n",
+       "      <td>[gmail.com, gmail.com]</td>\n",
+       "      <td>[scopus.com, google.com, publons.com, zenodo.o...</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>11.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>4.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10807839</th>\n",
+       "      <td>0000-0002-4379-6454</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>caroline wanjiru</td>\n",
+       "      <td>kariuki</td>\n",
+       "      <td>caroline holds a phd in economics from curtin ...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[applied economics, applied econometrics, deve...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[economics, doctor of philosophy , curtin uni...</td>\n",
+       "      <td>[[director, educational development, strathmor...</td>\n",
+       "      <td>4</td>\n",
+       "      <td>[caroline wanjiru kariuki]</td>\n",
+       "      <td>2020-03-18t10:18:04.007z</td>\n",
+       "      <td>2021-02-11t14:40:38.515z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[scopus.com, mendeley.com, publons.com, resear...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>13.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>6.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10911966</th>\n",
+       "      <td>0000-0003-2311-0600</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>myo</td>\n",
+       "      <td>kyaw hlaing</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[dr myo kyaw hlaing]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[economic geology]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[lecturer, union of myanmar ministry of educa...</td>\n",
+       "      <td>2</td>\n",
+       "      <td>[myo kyaw hlaing]</td>\n",
+       "      <td>2018-12-26t12:51:57.801z</td>\n",
+       "      <td>2021-01-26t14:36:47.421z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[facebook.com, linkedin.com, instagram.com, re...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>12.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>140 rows × 30 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                        orcid  verified_email  verified_primary_email  \\\n",
+       "47439     0000-0002-5967-2835               1                       1   \n",
+       "72557     0000-0002-3505-2797               1                       1   \n",
+       "94081     0000-0003-3670-9620               1                       1   \n",
+       "261673    0000-0002-5441-0465               1                       1   \n",
+       "326211    0000-0002-7781-6767               1                       1   \n",
+       "...                       ...             ...                     ...   \n",
+       "10579801  0000-0001-5087-6965               1                       1   \n",
+       "10590882  0000-0002-3318-9861               1                       1   \n",
+       "10766062  0000-0001-8960-9004               1                       1   \n",
+       "10807839  0000-0002-4379-6454               1                       1   \n",
+       "10911966  0000-0003-2311-0600               1                       1   \n",
+       "\n",
+       "               given_names     family_name  \\\n",
+       "47439              oleksiy      goryayinov   \n",
+       "72557                nurul      malahayati   \n",
+       "94081               carlos         barrera   \n",
+       "261673               nuria  hernández-león   \n",
+       "326211          mohd nazri          ismail   \n",
+       "...                    ...             ...   \n",
+       "10579801            robert           ohara   \n",
+       "10590882          shagufta         perveen   \n",
+       "10766062             susan         bastani   \n",
+       "10807839  caroline wanjiru         kariuki   \n",
+       "10911966               myo     kyaw hlaing   \n",
+       "\n",
+       "                                                  biography  \\\n",
+       "47439                                                   NaN   \n",
+       "72557                                        google scholar   \n",
+       "94081     im individual inventor, and this is my work; s...   \n",
+       "261673                                                  NaN   \n",
+       "326211    born in penang, malaysia in 1971, dr. mohd had...   \n",
+       "...                                                     ...   \n",
+       "10579801  systematics, evolutionary biology, and the his...   \n",
+       "10590882  prof. dr. shagufta perveen is a professor at k...   \n",
+       "10766062                                                NaN   \n",
+       "10807839  caroline holds a phd in economics from curtin ...   \n",
+       "10911966                                                NaN   \n",
+       "\n",
+       "                                                other_names  \\\n",
+       "47439     [алексей николаевич горяинов, о.м.горяїнов, а....   \n",
+       "72557                                                   NaN   \n",
+       "94081                           [retrodynamic, novelinflow]   \n",
+       "261673    [nuria h. león, nuria hernández león, hernánde...   \n",
+       "326211     [ndum (national defence university of malaysia)]   \n",
+       "...                                                     ...   \n",
+       "10579801  [r. o’hara, r.j. o’hara, robert o’hara, robert...   \n",
+       "10590882                                                NaN   \n",
+       "10766062                         [s. bastani, سوسن باستانی]   \n",
+       "10807839                                                NaN   \n",
+       "10911966                               [dr myo kyaw hlaing]   \n",
+       "\n",
+       "                     primary_email  \\\n",
+       "47439                          NaN   \n",
+       "72557                          NaN   \n",
+       "94081                          NaN   \n",
+       "261673                         NaN   \n",
+       "326211                         NaN   \n",
+       "...                            ...   \n",
+       "10579801                       NaN   \n",
+       "10590882  shagufta792000@yahoo.com   \n",
+       "10766062    sbastani@alzahra.ac.ir   \n",
+       "10807839                       NaN   \n",
+       "10911966                       NaN   \n",
+       "\n",
+       "                                                   keywords  \\\n",
+       "47439                   [diagnostics, transport, logistics]   \n",
+       "72557                                                   NaN   \n",
+       "94081     [imploturbocompressor, innovation, gearturbine...   \n",
+       "261673    [business management, research, human resource...   \n",
+       "326211    [sensor, iot, voice over ip, wsn, design of ne...   \n",
+       "...                                                     ...   \n",
+       "10579801  [history and philosophy of science, ancient nu...   \n",
+       "10590882  [shagufta perveen university of southampton, s...   \n",
+       "10766062  [online and offline communities, personal netw...   \n",
+       "10807839  [applied economics, applied econometrics, deve...   \n",
+       "10911966                                 [economic geology]   \n",
+       "\n",
+       "                                               external_ids  \\\n",
+       "47439                         [[researcherid, i-7977-2016]]   \n",
+       "72557                         [[researcherid, q-3861-2017]]   \n",
+       "94081                              [[loop profile, 394457]]   \n",
+       "261673                                                  NaN   \n",
+       "326211    [[scopus author id, 24372977800], [researcheri...   \n",
+       "...                                                     ...   \n",
+       "10579801  [[isni, 0000000138200102], [researcherid, b-47...   \n",
+       "10590882                                                NaN   \n",
+       "10766062                  [[scopus author id, 16642098400]]   \n",
+       "10807839                                                NaN   \n",
+       "10911966                                                NaN   \n",
+       "\n",
+       "                                                  education  \\\n",
+       "47439     [[, дистанционный курс «ctl.sc2x: supply chain...   \n",
+       "72557     [[civil and transportation engineering , maste...   \n",
+       "94081                                                   NaN   \n",
+       "261673    [[, course: social skills, university of salam...   \n",
+       "326211                                                  NaN   \n",
+       "...                                                     ...   \n",
+       "10579801  [[biology, ph.d., harvard university, cambridg...   \n",
+       "10590882  [[hej research institute of chemistry, phd che...   \n",
+       "10766062  [[sociology, ph.d., university of toronto, tor...   \n",
+       "10807839  [[economics, doctor of philosophy , curtin uni...   \n",
+       "10911966                                                NaN   \n",
+       "\n",
+       "                                                 employment  n_works  \\\n",
+       "47439     [[docent, kharkiv petro vasylenko national tec...      274   \n",
+       "72557     [[senior lecturer, universitas syiah kuala, ba...        6   \n",
+       "94081                                                   NaN        1   \n",
+       "261673    [[merchandise reception and expedition trainer...       11   \n",
+       "326211    [[lecturer, universiti pertahanan nasional mal...       35   \n",
+       "...                                                     ...      ...   \n",
+       "10579801                                                NaN       45   \n",
+       "10590882  [[professor, king saud university college of p...       66   \n",
+       "10766062  [[professor, alzahra university, tehran, vanak...       20   \n",
+       "10807839  [[director, educational development, strathmor...        4   \n",
+       "10911966  [[lecturer, union of myanmar ministry of educa...        2   \n",
+       "\n",
+       "                        works_source           activation_date  \\\n",
+       "47439           [oleksiy goryayinov]  2014-08-03t18:06:42.925z   \n",
+       "72557             [nurul malahayati]  2017-10-01t00:46:31.324z   \n",
+       "94081               [carlos barrera]  2016-08-29t20:32:10.362z   \n",
+       "261673        [nuria hernández-león]  2015-11-28t07:18:58.442z   \n",
+       "326211           [scopus - elsevier]  2016-09-06t02:25:52.974z   \n",
+       "...                              ...                       ...   \n",
+       "10579801          [robert j. o’hara]  2014-09-21t02:45:19.620z   \n",
+       "10590882         [scopus - elsevier]  2015-12-21t10:34:06.771z   \n",
+       "10766062         [scopus - elsevier]  2019-07-10t06:50:46.255z   \n",
+       "10807839  [caroline wanjiru kariuki]  2020-03-18t10:18:04.007z   \n",
+       "10911966           [myo kyaw hlaing]  2018-12-26t12:51:57.801z   \n",
+       "\n",
+       "                  last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  \\\n",
+       "47439     2021-03-22t13:56:48.311z      0        0      0             0   \n",
+       "72557     2019-08-19t15:52:47.253z      3        0      0             3   \n",
+       "94081     2021-02-09t04:56:35.554z      0        0      0             0   \n",
+       "261673    2021-03-05t16:37:47.403z      1        0      0             4   \n",
+       "326211    2020-10-20t06:55:55.051z     24        0      0            35   \n",
+       "...                            ...    ...      ...    ...           ...   \n",
+       "10579801  2020-07-09t06:51:09.228z     23        0      0            72   \n",
+       "10590882  2021-02-22t14:58:30.893z     56        0      0            66   \n",
+       "10766062  2020-10-07t04:08:01.961z     19        0      0            33   \n",
+       "10807839  2021-02-11t14:40:38.515z      1        0      0             0   \n",
+       "10911966  2021-01-26t14:36:47.421z      1        0      0             2   \n",
+       "\n",
+       "          label primary_email_domain     other_email_domains  \\\n",
+       "47439         1                  NaN                     NaN   \n",
+       "72557         1                  NaN                     NaN   \n",
+       "94081         1                  NaN                     NaN   \n",
+       "261673        1                  NaN                     NaN   \n",
+       "326211        1                  NaN                     NaN   \n",
+       "...         ...                  ...                     ...   \n",
+       "10579801      1                  NaN                     NaN   \n",
+       "10590882      1            yahoo.com   [msu.edu, ksu.edu.sa]   \n",
+       "10766062      1        alzahra.ac.ir  [gmail.com, gmail.com]   \n",
+       "10807839      0                  NaN                     NaN   \n",
+       "10911966      0                  NaN                     NaN   \n",
+       "\n",
+       "                                                url_domains  n_emails  n_urls  \\\n",
+       "47439     [khntusg.com.ua, khntusg.com.ua, google.com.ua...       NaN    13.0   \n",
+       "72557     [google.com, ristekdikti.go.id, unsyiah.ac.id,...       NaN    16.0   \n",
+       "94081     [blogspot.mx, behance.net, authorstream.com, d...       NaN    24.0   \n",
+       "261673    [feriaempresamujer.com, escueladenegociosydire...       NaN    16.0   \n",
+       "326211    [google.com.my, researchgate.net, academia.edu...       NaN    16.0   \n",
+       "...                                                     ...       ...     ...   \n",
+       "10579801  [rjohara.net, google.com, collegiateway.org, r...       NaN    12.0   \n",
+       "10590882  [shaguftaperveen.com, researchgate.net, ksu.ed...       2.0    11.0   \n",
+       "10766062  [scopus.com, google.com, publons.com, zenodo.o...       2.0    11.0   \n",
+       "10807839  [scopus.com, mendeley.com, publons.com, resear...       NaN    13.0   \n",
+       "10911966  [facebook.com, linkedin.com, instagram.com, re...       NaN    12.0   \n",
+       "\n",
+       "          n_ids  n_keywords  n_education  n_employment  \n",
+       "47439       1.0         3.0         14.0           7.0  \n",
+       "72557       1.0         NaN          2.0           1.0  \n",
+       "94081       1.0         8.0          NaN           NaN  \n",
+       "261673      NaN         7.0         19.0          16.0  \n",
+       "326211      2.0        10.0          NaN           4.0  \n",
+       "...         ...         ...          ...           ...  \n",
+       "10579801    3.0         5.0          1.0           NaN  \n",
+       "10590882    NaN        25.0          3.0           7.0  \n",
+       "10766062    1.0         4.0          3.0           4.0  \n",
+       "10807839    NaN         4.0          3.0           6.0  \n",
+       "10911966    NaN         1.0          NaN           2.0  \n",
+       "\n",
+       "[140 rows x 30 columns]"
+      ]
+     },
+     "execution_count": 30,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df[(df['url_domains'].str.len() > 10) & (df['n_works'] > 0) & (df['works_source'].str.len() == 1)]"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 31,
@@ -7941,708 +9325,557 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-5710-4041</th>\n",
+       "      <th>0</th>\n",
+       "      <td>0000-0002-5967-2835</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>ryszard</td>\n",
-       "      <td>romaniuk</td>\n",
-       "      <td>professor of electronics and communications en...</td>\n",
-       "      <td>[r.romaniuk, r.s.romaniuk, ryszard romaniuk, r...</td>\n",
-       "      <td>rrom@ise.pw.edu.pl</td>\n",
-       "      <td>[measurement systems, telecommunications, rese...</td>\n",
-       "      <td>[[isni, 0000000071432485], [researcherid, b-91...</td>\n",
-       "      <td>[[faculty of electronics and information techn...</td>\n",
-       "      <td>[[professor, institute director, politechnika ...</td>\n",
-       "      <td>5008</td>\n",
-       "      <td>[inspire-hep, researcherid, isni2orcid search ...</td>\n",
-       "      <td>2013-01-20t12:09:21.600z</td>\n",
-       "      <td>2021-03-11t20:57:13.284z</td>\n",
-       "      <td>1221</td>\n",
-       "      <td>25</td>\n",
+       "      <td>oleksiy</td>\n",
+       "      <td>goryayinov</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[алексей николаевич горяинов, о.м.горяїнов, а....</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[diagnostics, transport, logistics]</td>\n",
+       "      <td>[[researcherid, i-7977-2016]]</td>\n",
+       "      <td>[[, дистанционный курс «ctl.sc2x: supply chain...</td>\n",
+       "      <td>[[docent, kharkiv petro vasylenko national tec...</td>\n",
+       "      <td>274</td>\n",
+       "      <td>oleksiy goryayinov</td>\n",
+       "      <td>2014-08-03t18:06:42.925z</td>\n",
+       "      <td>2021-03-22t13:56:48.311z</td>\n",
        "      <td>0</td>\n",
-       "      <td>1742</td>\n",
        "      <td>0</td>\n",
-       "      <td>ise.pw.edu.pl</td>\n",
-       "      <td>[ise.pw.edu.pl, elka.pw.edu.pl, cern.ch]</td>\n",
-       "      <td>[google.pl, publons.com, scopus.com, mendeley....</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>114.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>1.0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[khntusg.com.ua, khntusg.com.ua, google.com.ua...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>13.0</td>\n",
        "      <td>1.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>14.0</td>\n",
+       "      <td>7.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1929-6054</th>\n",
+       "      <th>1</th>\n",
+       "      <td>0000-0002-3505-2797</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
+       "      <td>nurul</td>\n",
+       "      <td>malahayati</td>\n",
+       "      <td>google scholar</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[researcherid, q-3861-2017]]</td>\n",
+       "      <td>[[civil and transportation engineering , maste...</td>\n",
+       "      <td>[[senior lecturer, universitas syiah kuala, ba...</td>\n",
+       "      <td>6</td>\n",
+       "      <td>nurul malahayati</td>\n",
+       "      <td>2017-10-01t00:46:31.324z</td>\n",
+       "      <td>2019-08-19t15:52:47.253z</td>\n",
+       "      <td>3</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>3</td>\n",
        "      <td>1</td>\n",
-       "      <td>franklin américo</td>\n",
-       "      <td>canaza choque</td>\n",
-       "      <td>docente-investigador social. maestrando en der...</td>\n",
-       "      <td>[franklin américo canaza-choque , franklin a. ...</td>\n",
-       "      <td>leo_123fa@hotmail.com</td>\n",
-       "      <td>[justicia global; democracia; derechos humanos...</td>\n",
-       "      <td>[[researcherid, p-8613-2018], [loop profile, 8...</td>\n",
-       "      <td>[[facultad de ciencias de la educación , maest...</td>\n",
-       "      <td>[[investigador social, universidad católica de...</td>\n",
-       "      <td>38</td>\n",
-       "      <td>[researcherid, base - bielefeld academic searc...</td>\n",
-       "      <td>2017-09-15t19:45:43.483z</td>\n",
-       "      <td>2021-03-14t20:20:21.282z</td>\n",
-       "      <td>29</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>33</td>\n",
-       "      <td>0</td>\n",
-       "      <td>hotmail.com</td>\n",
-       "      <td>[gmail.com, gmail.com, hotmail.com, baldwin.ed...</td>\n",
-       "      <td>[concytec.gob.pe, redalyc.org, redalyc.org, un...</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>61.0</td>\n",
-       "      <td>4.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[google.com, ristekdikti.go.id, unsyiah.ac.id,...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>2.0</td>\n",
        "      <td>1.0</td>\n",
-       "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-2407-3557</th>\n",
+       "      <th>2</th>\n",
+       "      <td>0000-0003-3670-9620</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>abdul</td>\n",
-       "      <td>aziz</td>\n",
-       "      <td>abdul aziz was born on may 25, 1973, in brebes...</td>\n",
-       "      <td>[abdul aziz, aziz, abdul, aziz, a., aziz, abd,...</td>\n",
+       "      <td>carlos</td>\n",
+       "      <td>barrera</td>\n",
+       "      <td>im individual inventor, and this is my work; s...</td>\n",
+       "      <td>[retrodynamic, novelinflow]</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[etika bisnis islam, ekonomi islam, ilmu ekono...</td>\n",
+       "      <td>[imploturbocompressor, innovation, gearturbine...</td>\n",
+       "      <td>[[loop profile, 394457]]</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[[ilmu ekonomi, dr, universitas borobudur, jak...</td>\n",
-       "      <td>[[assisten professor/dr, institut agama islam ...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1</td>\n",
+       "      <td>carlos barrera</td>\n",
+       "      <td>2016-08-29t20:32:10.362z</td>\n",
+       "      <td>2021-02-09t04:56:35.554z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[blogspot.mx, behance.net, authorstream.com, d...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>24.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>8.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>0000-0002-5441-0465</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>nuria</td>\n",
+       "      <td>hernández-león</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[nuria h. león, nuria hernández león, hernánde...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[business management, research, human resource...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[, course: social skills, university of salam...</td>\n",
+       "      <td>[[merchandise reception and expedition trainer...</td>\n",
+       "      <td>11</td>\n",
+       "      <td>nuria hernández-león</td>\n",
+       "      <td>2015-11-28t07:18:58.442z</td>\n",
+       "      <td>2021-03-05t16:37:47.403z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>4</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[feriaempresamujer.com, escueladenegociosydire...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>7.0</td>\n",
+       "      <td>19.0</td>\n",
+       "      <td>16.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>0000-0002-7781-6767</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>mohd nazri</td>\n",
+       "      <td>ismail</td>\n",
+       "      <td>born in penang, malaysia in 1971, dr. mohd had...</td>\n",
+       "      <td>[ndum (national defence university of malaysia)]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[sensor, iot, voice over ip, wsn, design of ne...</td>\n",
+       "      <td>[[scopus author id, 24372977800], [researcheri...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[lecturer, universiti pertahanan nasional mal...</td>\n",
+       "      <td>35</td>\n",
+       "      <td>scopus - elsevier</td>\n",
+       "      <td>2016-09-06t02:25:52.974z</td>\n",
+       "      <td>2020-10-20t06:55:55.051z</td>\n",
+       "      <td>24</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>35</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[google.com.my, researchgate.net, academia.edu...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>16.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>10.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>4.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>135</th>\n",
+       "      <td>0000-0001-5087-6965</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>robert</td>\n",
+       "      <td>ohara</td>\n",
+       "      <td>systematics, evolutionary biology, and the his...</td>\n",
+       "      <td>[r. o’hara, r.j. o’hara, robert o’hara, robert...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[history and philosophy of science, ancient nu...</td>\n",
+       "      <td>[[isni, 0000000138200102], [researcherid, b-47...</td>\n",
+       "      <td>[[biology, ph.d., harvard university, cambridg...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>45</td>\n",
+       "      <td>robert j. o’hara</td>\n",
+       "      <td>2014-09-21t02:45:19.620z</td>\n",
+       "      <td>2020-07-09t06:51:09.228z</td>\n",
+       "      <td>23</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
        "      <td>72</td>\n",
-       "      <td>[base - bielefeld academic search engine, abdu...</td>\n",
-       "      <td>2016-09-12t04:41:24.842z</td>\n",
-       "      <td>2021-01-26t11:58:33.039z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[rjohara.net, google.com, collegiateway.org, r...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>12.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>136</th>\n",
+       "      <td>0000-0002-3318-9861</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>shagufta</td>\n",
+       "      <td>perveen</td>\n",
+       "      <td>prof. dr. shagufta perveen is a professor at k...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>shagufta792000@yahoo.com</td>\n",
+       "      <td>[shagufta perveen university of southampton, s...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[hej research institute of chemistry, phd che...</td>\n",
+       "      <td>[[professor, king saud university college of p...</td>\n",
+       "      <td>66</td>\n",
+       "      <td>scopus - elsevier</td>\n",
+       "      <td>2015-12-21t10:34:06.771z</td>\n",
+       "      <td>2021-02-22t14:58:30.893z</td>\n",
+       "      <td>56</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>66</td>\n",
+       "      <td>1</td>\n",
+       "      <td>yahoo.com</td>\n",
+       "      <td>[msu.edu, ksu.edu.sa]</td>\n",
+       "      <td>[shaguftaperveen.com, researchgate.net, ksu.ed...</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>11.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>25.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>7.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>137</th>\n",
+       "      <td>0000-0001-8960-9004</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>susan</td>\n",
+       "      <td>bastani</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[s. bastani, سوسن باستانی]</td>\n",
+       "      <td>sbastani@alzahra.ac.ir</td>\n",
+       "      <td>[online and offline communities, personal netw...</td>\n",
+       "      <td>[[scopus author id, 16642098400]]</td>\n",
+       "      <td>[[sociology, ph.d., university of toronto, tor...</td>\n",
+       "      <td>[[professor, alzahra university, tehran, vanak...</td>\n",
+       "      <td>20</td>\n",
+       "      <td>scopus - elsevier</td>\n",
+       "      <td>2019-07-10t06:50:46.255z</td>\n",
+       "      <td>2020-10-07t04:08:01.961z</td>\n",
        "      <td>19</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>77</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[google.com, syekhnurjati.ac.id, orcid.org, bl...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>59.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-3997-5070</th>\n",
+       "      <td>33</td>\n",
        "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>dr. parameshachari</td>\n",
-       "      <td>b d</td>\n",
-       "      <td>dr. parameshachari b dacm distinguished speake...</td>\n",
-       "      <td>[dr. parameshachari b d]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[honorary secretary| iete mysuru centre, profe...</td>\n",
-       "      <td>[[researcherid, f-7045-2018], [scopus author i...</td>\n",
-       "      <td>[[electronics and communication engineering, p...</td>\n",
-       "      <td>[[acm distinguished speaker (volunteer), assoc...</td>\n",
-       "      <td>93</td>\n",
-       "      <td>[publons, multidisciplinary digital publishing...</td>\n",
-       "      <td>2016-08-24t11:00:30.403z</td>\n",
-       "      <td>2021-03-14t07:11:09.817z</td>\n",
-       "      <td>47</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>48</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[geethashishu.in, geethashishu.in, acm.org, go...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>71.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>10.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-2450-090X</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>eduard</td>\n",
-       "      <td>babulak</td>\n",
-       "      <td>professor eduard babulak is accomplished inter...</td>\n",
-       "      <td>[professor eduard babulak]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[internet of things, computer networking, inte...</td>\n",
-       "      <td>[[scopus author id, 6506867432], [researcherid...</td>\n",
-       "      <td>[[information technology, doctor habilitated (...</td>\n",
-       "      <td>[[consultant, horizon 2020 framework programme...</td>\n",
-       "      <td>274</td>\n",
-       "      <td>[the lens, base - bielefeld academic search en...</td>\n",
-       "      <td>2013-04-03t08:02:30.013z</td>\n",
-       "      <td>2021-02-28t10:07:13.231z</td>\n",
-       "      <td>199</td>\n",
-       "      <td>0</td>\n",
-       "      <td>1</td>\n",
-       "      <td>174</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[worldassessmentcouncil.org, spseke.sk, bcs.or...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>114.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>8.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>22.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-2593-7134</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>aan</td>\n",
-       "      <td>jaelani</td>\n",
-       "      <td>all my papers can be downloaded from portal:re...</td>\n",
-       "      <td>[jaelani, a., jaelani, aan]</td>\n",
-       "      <td>aan_jaelani@syekhnurjati.ac.id</td>\n",
-       "      <td>[islamic economics, history of islamic economi...</td>\n",
-       "      <td>[[scopus author id, 57195963463], [loop profil...</td>\n",
-       "      <td>[[post graduate, s3/dr, universitas islam nege...</td>\n",
-       "      <td>[[dr, institut agama islam negeri syekh nurjat...</td>\n",
-       "      <td>79</td>\n",
-       "      <td>[publons, aan jaelani, scopus - elsevier, dime...</td>\n",
-       "      <td>2016-03-02t18:37:44.989z</td>\n",
-       "      <td>2021-03-08t03:42:22.593z</td>\n",
-       "      <td>88</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>193</td>\n",
-       "      <td>0</td>\n",
-       "      <td>syekhnurjati.ac.id</td>\n",
-       "      <td>[gmail.com]</td>\n",
-       "      <td>[microsoft.com, twitter.com, academia.edu, aca...</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>67.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-3920-7389</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>а.</td>\n",
-       "      <td>гусев</td>\n",
-       "      <td>surname, name gusev  alexander leonidovichdate...</td>\n",
-       "      <td>[alexander l. gusev , alexander leonidovich gu...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[technologies of isotope separation, 3d - prin...</td>\n",
-       "      <td>[[researcherid, f-8048-2014], [scopus author i...</td>\n",
-       "      <td>[[chemical technology and cryogenic-vacuum tec...</td>\n",
-       "      <td>[[general director, scientific technical centr...</td>\n",
-       "      <td>472</td>\n",
-       "      <td>[publons, datacite, scopus - elsevier, a.l. gu...</td>\n",
-       "      <td>2014-05-14t00:01:28.030z</td>\n",
-       "      <td>2021-01-16t13:44:14.134z</td>\n",
-       "      <td>37</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>21</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[youtube.com, isjaee.com, researchgate.net, re...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>111.0</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>7.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-4948-9268</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>gustavo</td>\n",
-       "      <td>duperré</td>\n",
-       "      <td>gustavo norberto duperré graduated in arts and...</td>\n",
-       "      <td>[gustavo norberto duperré, duperré, g. n., gus...</td>\n",
-       "      <td>gustavo.duperre@usal.edu.ar</td>\n",
-       "      <td>[computer science, medieval and modern history...</td>\n",
-       "      <td>[[scopus author id, 57195936346], [researcheri...</td>\n",
-       "      <td>[[programme in history, history of art and ter...</td>\n",
-       "      <td>[[titular professor, dirección general de cult...</td>\n",
-       "      <td>41</td>\n",
-       "      <td>[gustavo duperré, scopus - elsevier, publons, ...</td>\n",
-       "      <td>2020-02-22t15:49:52.386z</td>\n",
-       "      <td>2021-03-12t15:13:44.065z</td>\n",
-       "      <td>13</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>34</td>\n",
-       "      <td>0</td>\n",
-       "      <td>usal.edu.ar</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[icomos.ro, unirioja.es, unirioja.es, unc.edu....</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>61.0</td>\n",
+       "      <td>alzahra.ac.ir</td>\n",
+       "      <td>[gmail.com, gmail.com]</td>\n",
+       "      <td>[scopus.com, google.com, publons.com, zenodo.o...</td>\n",
        "      <td>2.0</td>\n",
        "      <td>11.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>5.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-2183-8112</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>pelayo munhoz</td>\n",
-       "      <td>olea</td>\n",
-       "      <td>pós-doutorado em gestão ambiental pela univers...</td>\n",
-       "      <td>[ munhoz, pelayo olea,  olea, pelayo,  olea, p...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[inovação, empreendedorismo, sustentabilidade]</td>\n",
-       "      <td>[[scopus author id, 55175503300], [researcheri...</td>\n",
-       "      <td>[[, postdoctoral in environmental sustainabili...</td>\n",
-       "      <td>[[professor, universidade federal do rio grand...</td>\n",
-       "      <td>1108</td>\n",
-       "      <td>[the lens, pelayo munhoz olea, dimensions, bas...</td>\n",
-       "      <td>2013-02-04t17:25:34.723z</td>\n",
-       "      <td>2021-03-10t14:05:17.770z</td>\n",
-       "      <td>797</td>\n",
-       "      <td>0</td>\n",
-       "      <td>1</td>\n",
-       "      <td>582</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[cnpq.br, cnpq.br, cnpq.br, cnpq.br, publons.c...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>61.0</td>\n",
-       "      <td>2.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>4.0</td>\n",
        "      <td>3.0</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>9.0</td>\n",
+       "      <td>4.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6938-9638</th>\n",
+       "      <th>138</th>\n",
+       "      <td>0000-0002-4379-6454</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
+       "      <td>caroline wanjiru</td>\n",
+       "      <td>kariuki</td>\n",
+       "      <td>caroline holds a phd in economics from curtin ...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[applied economics, applied econometrics, deve...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[economics, doctor of philosophy , curtin uni...</td>\n",
+       "      <td>[[director, educational development, strathmor...</td>\n",
+       "      <td>4</td>\n",
+       "      <td>caroline wanjiru kariuki</td>\n",
+       "      <td>2020-03-18t10:18:04.007z</td>\n",
+       "      <td>2021-02-11t14:40:38.515z</td>\n",
        "      <td>1</td>\n",
-       "      <td>adolfo</td>\n",
-       "      <td>catral sanabria</td>\n",
-       "      <td>my education is in computer science, mathemati...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[loop profile, 747193]]</td>\n",
-       "      <td>[[education, capacitación para la enseñanza en...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2023</td>\n",
-       "      <td>[base - bielefeld academic search engine, data...</td>\n",
-       "      <td>2019-05-07t19:27:02.210z</td>\n",
-       "      <td>2020-12-10t23:39:15.236z</td>\n",
-       "      <td>2022</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>16</td>\n",
+       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[researchgate.net, youtube.com, linkedin.com, ...</td>\n",
+       "      <td>[scopus.com, mendeley.com, publons.com, resear...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>152.0</td>\n",
-       "      <td>1.0</td>\n",
+       "      <td>13.0</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>3.0</td>\n",
        "      <td>6.0</td>\n",
-       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-9025-8632</th>\n",
+       "      <th>139</th>\n",
+       "      <td>0000-0003-2311-0600</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
+       "      <td>myo</td>\n",
+       "      <td>kyaw hlaing</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[dr myo kyaw hlaing]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[economic geology]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[lecturer, union of myanmar ministry of educa...</td>\n",
+       "      <td>2</td>\n",
+       "      <td>myo kyaw hlaing</td>\n",
+       "      <td>2018-12-26t12:51:57.801z</td>\n",
+       "      <td>2021-01-26t14:36:47.421z</td>\n",
        "      <td>1</td>\n",
-       "      <td>buycannabis</td>\n",
-       "      <td>dispensary</td>\n",
-       "      <td>we procure and deliver premium cannabis strain...</td>\n",
-       "      <td>[we procure and deliver premium cannabis strai...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[cannabis community, cannabis culture, marijua...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>10</td>\n",
-       "      <td>[goowonderland dispensary]</td>\n",
-       "      <td>2020-12-09t21:19:46.004z</td>\n",
-       "      <td>2020-12-10t01:17:28.772z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>2</td>\n",
        "      <td>0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[goowonderland.com, goowonderland.com, goowond...</td>\n",
+       "      <td>[facebook.com, linkedin.com, instagram.com, re...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>81.0</td>\n",
+       "      <td>12.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-9965-2425</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>jaroslaw</td>\n",
-       "      <td>spychala</td>\n",
-       "      <td>jaroslaw spychala has received a doctoral degr...</td>\n",
-       "      <td>[jaroslaw jozef spychala]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[photochemistry, organic chemistry, biochemist...</td>\n",
-       "      <td>[[scopus author id, 7006745874]]</td>\n",
-       "      <td>[[department of chemistry, postdoctoral associ...</td>\n",
-       "      <td>[[assistant professor, adam mickiewicz univers...</td>\n",
-       "      <td>29</td>\n",
-       "      <td>[scopus - elsevier]</td>\n",
-       "      <td>2014-09-18t12:34:14.242z</td>\n",
-       "      <td>2020-02-11t14:31:25.544z</td>\n",
-       "      <td>15</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>29</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[biowebspin.com, biowebspin.com, google.com, l...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>73.0</td>\n",
        "      <td>1.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>4.0</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>2.0</td>\n",
        "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-4062-3603</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>juan de dios</td>\n",
-       "      <td>beltrán mancilla</td>\n",
-       "      <td>juan de dios beltrán mancilla (*) filósofo aut...</td>\n",
-       "      <td>[juan de dios beltrán mancilla, filósofo autod...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[filosofia medicina arquitectura economía dere...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[, diplomado en practicas directivas  para or...</td>\n",
-       "      <td>[[inspector general jornada vespertina // de 2...</td>\n",
-       "      <td>11</td>\n",
-       "      <td>[juan de dios beltr´´án mancilla]</td>\n",
-       "      <td>2020-04-19t21:06:33.495z</td>\n",
-       "      <td>2021-02-10t20:13:07.698z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>7</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[yumpu.com, ijopm.org, google.com, blogspot.co...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>69.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>8.0</td>\n",
-       "      <td>6.0</td>\n",
-       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
+       "<p>140 rows × 30 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-5710-4041      1               1                       1   \n",
-       "0000-0002-1929-6054      1               1                       1   \n",
-       "0000-0003-2407-3557      1               1                       1   \n",
-       "0000-0002-3997-5070      1               1                       1   \n",
-       "0000-0003-2450-090X      1               1                       1   \n",
-       "0000-0003-2593-7134      1               1                       1   \n",
-       "0000-0002-3920-7389      1               1                       1   \n",
-       "0000-0003-4948-9268      1               1                       1   \n",
-       "0000-0003-2183-8112      1               1                       1   \n",
-       "0000-0002-6938-9638      1               1                       1   \n",
-       "0000-0002-9025-8632      1               1                       1   \n",
-       "0000-0002-9965-2425      1               1                       1   \n",
-       "0000-0002-4062-3603      1               1                       1   \n",
+       "                   orcid  verified_email  verified_primary_email  \\\n",
+       "0    0000-0002-5967-2835               1                       1   \n",
+       "1    0000-0002-3505-2797               1                       1   \n",
+       "2    0000-0003-3670-9620               1                       1   \n",
+       "3    0000-0002-5441-0465               1                       1   \n",
+       "4    0000-0002-7781-6767               1                       1   \n",
+       "..                   ...             ...                     ...   \n",
+       "135  0000-0001-5087-6965               1                       1   \n",
+       "136  0000-0002-3318-9861               1                       1   \n",
+       "137  0000-0001-8960-9004               1                       1   \n",
+       "138  0000-0002-4379-6454               1                       1   \n",
+       "139  0000-0003-2311-0600               1                       1   \n",
        "\n",
-       "                            given_names        family_name  \\\n",
-       "0000-0002-5710-4041             ryszard           romaniuk   \n",
-       "0000-0002-1929-6054    franklin américo      canaza choque   \n",
-       "0000-0003-2407-3557               abdul               aziz   \n",
-       "0000-0002-3997-5070  dr. parameshachari                b d   \n",
-       "0000-0003-2450-090X              eduard            babulak   \n",
-       "0000-0003-2593-7134                 aan            jaelani   \n",
-       "0000-0002-3920-7389                  а.              гусев   \n",
-       "0000-0003-4948-9268            gustavo             duperré   \n",
-       "0000-0003-2183-8112       pelayo munhoz               olea   \n",
-       "0000-0002-6938-9638              adolfo    catral sanabria   \n",
-       "0000-0002-9025-8632         buycannabis         dispensary   \n",
-       "0000-0002-9965-2425            jaroslaw           spychala   \n",
-       "0000-0002-4062-3603       juan de dios   beltrán mancilla    \n",
+       "          given_names     family_name  \\\n",
+       "0             oleksiy      goryayinov   \n",
+       "1               nurul      malahayati   \n",
+       "2              carlos         barrera   \n",
+       "3               nuria  hernández-león   \n",
+       "4          mohd nazri          ismail   \n",
+       "..                ...             ...   \n",
+       "135            robert           ohara   \n",
+       "136          shagufta         perveen   \n",
+       "137             susan         bastani   \n",
+       "138  caroline wanjiru         kariuki   \n",
+       "139               myo     kyaw hlaing   \n",
        "\n",
-       "                                                             biography  \\\n",
-       "0000-0002-5710-4041  professor of electronics and communications en...   \n",
-       "0000-0002-1929-6054  docente-investigador social. maestrando en der...   \n",
-       "0000-0003-2407-3557  abdul aziz was born on may 25, 1973, in brebes...   \n",
-       "0000-0002-3997-5070  dr. parameshachari b dacm distinguished speake...   \n",
-       "0000-0003-2450-090X  professor eduard babulak is accomplished inter...   \n",
-       "0000-0003-2593-7134  all my papers can be downloaded from portal:re...   \n",
-       "0000-0002-3920-7389  surname, name gusev  alexander leonidovichdate...   \n",
-       "0000-0003-4948-9268  gustavo norberto duperré graduated in arts and...   \n",
-       "0000-0003-2183-8112  pós-doutorado em gestão ambiental pela univers...   \n",
-       "0000-0002-6938-9638  my education is in computer science, mathemati...   \n",
-       "0000-0002-9025-8632  we procure and deliver premium cannabis strain...   \n",
-       "0000-0002-9965-2425  jaroslaw spychala has received a doctoral degr...   \n",
-       "0000-0002-4062-3603  juan de dios beltrán mancilla (*) filósofo aut...   \n",
+       "                                             biography  \\\n",
+       "0                                                  NaN   \n",
+       "1                                       google scholar   \n",
+       "2    im individual inventor, and this is my work; s...   \n",
+       "3                                                  NaN   \n",
+       "4    born in penang, malaysia in 1971, dr. mohd had...   \n",
+       "..                                                 ...   \n",
+       "135  systematics, evolutionary biology, and the his...   \n",
+       "136  prof. dr. shagufta perveen is a professor at k...   \n",
+       "137                                                NaN   \n",
+       "138  caroline holds a phd in economics from curtin ...   \n",
+       "139                                                NaN   \n",
        "\n",
-       "                                                           other_names  \\\n",
-       "0000-0002-5710-4041  [r.romaniuk, r.s.romaniuk, ryszard romaniuk, r...   \n",
-       "0000-0002-1929-6054  [franklin américo canaza-choque , franklin a. ...   \n",
-       "0000-0003-2407-3557  [abdul aziz, aziz, abdul, aziz, a., aziz, abd,...   \n",
-       "0000-0002-3997-5070                           [dr. parameshachari b d]   \n",
-       "0000-0003-2450-090X                         [professor eduard babulak]   \n",
-       "0000-0003-2593-7134                        [jaelani, a., jaelani, aan]   \n",
-       "0000-0002-3920-7389  [alexander l. gusev , alexander leonidovich gu...   \n",
-       "0000-0003-4948-9268  [gustavo norberto duperré, duperré, g. n., gus...   \n",
-       "0000-0003-2183-8112  [ munhoz, pelayo olea,  olea, pelayo,  olea, p...   \n",
-       "0000-0002-6938-9638                                                NaN   \n",
-       "0000-0002-9025-8632  [we procure and deliver premium cannabis strai...   \n",
-       "0000-0002-9965-2425                          [jaroslaw jozef spychala]   \n",
-       "0000-0002-4062-3603  [juan de dios beltrán mancilla, filósofo autod...   \n",
+       "                                           other_names  \\\n",
+       "0    [алексей николаевич горяинов, о.м.горяїнов, а....   \n",
+       "1                                                  NaN   \n",
+       "2                          [retrodynamic, novelinflow]   \n",
+       "3    [nuria h. león, nuria hernández león, hernánde...   \n",
+       "4     [ndum (national defence university of malaysia)]   \n",
+       "..                                                 ...   \n",
+       "135  [r. o’hara, r.j. o’hara, robert o’hara, robert...   \n",
+       "136                                                NaN   \n",
+       "137                         [s. bastani, سوسن باستانی]   \n",
+       "138                                                NaN   \n",
+       "139                               [dr myo kyaw hlaing]   \n",
        "\n",
-       "                                      primary_email  \\\n",
-       "0000-0002-5710-4041              rrom@ise.pw.edu.pl   \n",
-       "0000-0002-1929-6054           leo_123fa@hotmail.com   \n",
-       "0000-0003-2407-3557                             NaN   \n",
-       "0000-0002-3997-5070                             NaN   \n",
-       "0000-0003-2450-090X                             NaN   \n",
-       "0000-0003-2593-7134  aan_jaelani@syekhnurjati.ac.id   \n",
-       "0000-0002-3920-7389                             NaN   \n",
-       "0000-0003-4948-9268     gustavo.duperre@usal.edu.ar   \n",
-       "0000-0003-2183-8112                             NaN   \n",
-       "0000-0002-6938-9638                             NaN   \n",
-       "0000-0002-9025-8632                             NaN   \n",
-       "0000-0002-9965-2425                             NaN   \n",
-       "0000-0002-4062-3603                             NaN   \n",
+       "                primary_email  \\\n",
+       "0                         NaN   \n",
+       "1                         NaN   \n",
+       "2                         NaN   \n",
+       "3                         NaN   \n",
+       "4                         NaN   \n",
+       "..                        ...   \n",
+       "135                       NaN   \n",
+       "136  shagufta792000@yahoo.com   \n",
+       "137    sbastani@alzahra.ac.ir   \n",
+       "138                       NaN   \n",
+       "139                       NaN   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0002-5710-4041  [measurement systems, telecommunications, rese...   \n",
-       "0000-0002-1929-6054  [justicia global; democracia; derechos humanos...   \n",
-       "0000-0003-2407-3557  [etika bisnis islam, ekonomi islam, ilmu ekono...   \n",
-       "0000-0002-3997-5070  [honorary secretary| iete mysuru centre, profe...   \n",
-       "0000-0003-2450-090X  [internet of things, computer networking, inte...   \n",
-       "0000-0003-2593-7134  [islamic economics, history of islamic economi...   \n",
-       "0000-0002-3920-7389  [technologies of isotope separation, 3d - prin...   \n",
-       "0000-0003-4948-9268  [computer science, medieval and modern history...   \n",
-       "0000-0003-2183-8112     [inovação, empreendedorismo, sustentabilidade]   \n",
-       "0000-0002-6938-9638                                                NaN   \n",
-       "0000-0002-9025-8632  [cannabis community, cannabis culture, marijua...   \n",
-       "0000-0002-9965-2425  [photochemistry, organic chemistry, biochemist...   \n",
-       "0000-0002-4062-3603  [filosofia medicina arquitectura economía dere...   \n",
+       "                                              keywords  \\\n",
+       "0                  [diagnostics, transport, logistics]   \n",
+       "1                                                  NaN   \n",
+       "2    [imploturbocompressor, innovation, gearturbine...   \n",
+       "3    [business management, research, human resource...   \n",
+       "4    [sensor, iot, voice over ip, wsn, design of ne...   \n",
+       "..                                                 ...   \n",
+       "135  [history and philosophy of science, ancient nu...   \n",
+       "136  [shagufta perveen university of southampton, s...   \n",
+       "137  [online and offline communities, personal netw...   \n",
+       "138  [applied economics, applied econometrics, deve...   \n",
+       "139                                 [economic geology]   \n",
        "\n",
-       "                                                          external_ids  \\\n",
-       "0000-0002-5710-4041  [[isni, 0000000071432485], [researcherid, b-91...   \n",
-       "0000-0002-1929-6054  [[researcherid, p-8613-2018], [loop profile, 8...   \n",
-       "0000-0003-2407-3557                                                NaN   \n",
-       "0000-0002-3997-5070  [[researcherid, f-7045-2018], [scopus author i...   \n",
-       "0000-0003-2450-090X  [[scopus author id, 6506867432], [researcherid...   \n",
-       "0000-0003-2593-7134  [[scopus author id, 57195963463], [loop profil...   \n",
-       "0000-0002-3920-7389  [[researcherid, f-8048-2014], [scopus author i...   \n",
-       "0000-0003-4948-9268  [[scopus author id, 57195936346], [researcheri...   \n",
-       "0000-0003-2183-8112  [[scopus author id, 55175503300], [researcheri...   \n",
-       "0000-0002-6938-9638                           [[loop profile, 747193]]   \n",
-       "0000-0002-9025-8632                                                NaN   \n",
-       "0000-0002-9965-2425                   [[scopus author id, 7006745874]]   \n",
-       "0000-0002-4062-3603                                                NaN   \n",
+       "                                          external_ids  \\\n",
+       "0                        [[researcherid, i-7977-2016]]   \n",
+       "1                        [[researcherid, q-3861-2017]]   \n",
+       "2                             [[loop profile, 394457]]   \n",
+       "3                                                  NaN   \n",
+       "4    [[scopus author id, 24372977800], [researcheri...   \n",
+       "..                                                 ...   \n",
+       "135  [[isni, 0000000138200102], [researcherid, b-47...   \n",
+       "136                                                NaN   \n",
+       "137                  [[scopus author id, 16642098400]]   \n",
+       "138                                                NaN   \n",
+       "139                                                NaN   \n",
        "\n",
-       "                                                             education  \\\n",
-       "0000-0002-5710-4041  [[faculty of electronics and information techn...   \n",
-       "0000-0002-1929-6054  [[facultad de ciencias de la educación , maest...   \n",
-       "0000-0003-2407-3557  [[ilmu ekonomi, dr, universitas borobudur, jak...   \n",
-       "0000-0002-3997-5070  [[electronics and communication engineering, p...   \n",
-       "0000-0003-2450-090X  [[information technology, doctor habilitated (...   \n",
-       "0000-0003-2593-7134  [[post graduate, s3/dr, universitas islam nege...   \n",
-       "0000-0002-3920-7389  [[chemical technology and cryogenic-vacuum tec...   \n",
-       "0000-0003-4948-9268  [[programme in history, history of art and ter...   \n",
-       "0000-0003-2183-8112  [[, postdoctoral in environmental sustainabili...   \n",
-       "0000-0002-6938-9638  [[education, capacitación para la enseñanza en...   \n",
-       "0000-0002-9025-8632                                                NaN   \n",
-       "0000-0002-9965-2425  [[department of chemistry, postdoctoral associ...   \n",
-       "0000-0002-4062-3603  [[, diplomado en practicas directivas  para or...   \n",
+       "                                             education  \\\n",
+       "0    [[, дистанционный курс «ctl.sc2x: supply chain...   \n",
+       "1    [[civil and transportation engineering , maste...   \n",
+       "2                                                  NaN   \n",
+       "3    [[, course: social skills, university of salam...   \n",
+       "4                                                  NaN   \n",
+       "..                                                 ...   \n",
+       "135  [[biology, ph.d., harvard university, cambridg...   \n",
+       "136  [[hej research institute of chemistry, phd che...   \n",
+       "137  [[sociology, ph.d., university of toronto, tor...   \n",
+       "138  [[economics, doctor of philosophy , curtin uni...   \n",
+       "139                                                NaN   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-5710-4041  [[professor, institute director, politechnika ...   \n",
-       "0000-0002-1929-6054  [[investigador social, universidad católica de...   \n",
-       "0000-0003-2407-3557  [[assisten professor/dr, institut agama islam ...   \n",
-       "0000-0002-3997-5070  [[acm distinguished speaker (volunteer), assoc...   \n",
-       "0000-0003-2450-090X  [[consultant, horizon 2020 framework programme...   \n",
-       "0000-0003-2593-7134  [[dr, institut agama islam negeri syekh nurjat...   \n",
-       "0000-0002-3920-7389  [[general director, scientific technical centr...   \n",
-       "0000-0003-4948-9268  [[titular professor, dirección general de cult...   \n",
-       "0000-0003-2183-8112  [[professor, universidade federal do rio grand...   \n",
-       "0000-0002-6938-9638                                                NaN   \n",
-       "0000-0002-9025-8632                                                NaN   \n",
-       "0000-0002-9965-2425  [[assistant professor, adam mickiewicz univers...   \n",
-       "0000-0002-4062-3603  [[inspector general jornada vespertina // de 2...   \n",
+       "                                            employment  n_works  \\\n",
+       "0    [[docent, kharkiv petro vasylenko national tec...      274   \n",
+       "1    [[senior lecturer, universitas syiah kuala, ba...        6   \n",
+       "2                                                  NaN        1   \n",
+       "3    [[merchandise reception and expedition trainer...       11   \n",
+       "4    [[lecturer, universiti pertahanan nasional mal...       35   \n",
+       "..                                                 ...      ...   \n",
+       "135                                                NaN       45   \n",
+       "136  [[professor, king saud university college of p...       66   \n",
+       "137  [[professor, alzahra university, tehran, vanak...       20   \n",
+       "138  [[director, educational development, strathmor...        4   \n",
+       "139  [[lecturer, union of myanmar ministry of educa...        2   \n",
        "\n",
-       "                     n_works  \\\n",
-       "0000-0002-5710-4041     5008   \n",
-       "0000-0002-1929-6054       38   \n",
-       "0000-0003-2407-3557       72   \n",
-       "0000-0002-3997-5070       93   \n",
-       "0000-0003-2450-090X      274   \n",
-       "0000-0003-2593-7134       79   \n",
-       "0000-0002-3920-7389      472   \n",
-       "0000-0003-4948-9268       41   \n",
-       "0000-0003-2183-8112     1108   \n",
-       "0000-0002-6938-9638     2023   \n",
-       "0000-0002-9025-8632       10   \n",
-       "0000-0002-9965-2425       29   \n",
-       "0000-0002-4062-3603       11   \n",
+       "                 works_source           activation_date  \\\n",
+       "0          oleksiy goryayinov  2014-08-03t18:06:42.925z   \n",
+       "1            nurul malahayati  2017-10-01t00:46:31.324z   \n",
+       "2              carlos barrera  2016-08-29t20:32:10.362z   \n",
+       "3        nuria hernández-león  2015-11-28t07:18:58.442z   \n",
+       "4           scopus - elsevier  2016-09-06t02:25:52.974z   \n",
+       "..                        ...                       ...   \n",
+       "135          robert j. o’hara  2014-09-21t02:45:19.620z   \n",
+       "136         scopus - elsevier  2015-12-21t10:34:06.771z   \n",
+       "137         scopus - elsevier  2019-07-10t06:50:46.255z   \n",
+       "138  caroline wanjiru kariuki  2020-03-18t10:18:04.007z   \n",
+       "139           myo kyaw hlaing  2018-12-26t12:51:57.801z   \n",
        "\n",
-       "                                                          works_source  \\\n",
-       "0000-0002-5710-4041  [inspire-hep, researcherid, isni2orcid search ...   \n",
-       "0000-0002-1929-6054  [researcherid, base - bielefeld academic searc...   \n",
-       "0000-0003-2407-3557  [base - bielefeld academic search engine, abdu...   \n",
-       "0000-0002-3997-5070  [publons, multidisciplinary digital publishing...   \n",
-       "0000-0003-2450-090X  [the lens, base - bielefeld academic search en...   \n",
-       "0000-0003-2593-7134  [publons, aan jaelani, scopus - elsevier, dime...   \n",
-       "0000-0002-3920-7389  [publons, datacite, scopus - elsevier, a.l. gu...   \n",
-       "0000-0003-4948-9268  [gustavo duperré, scopus - elsevier, publons, ...   \n",
-       "0000-0003-2183-8112  [the lens, pelayo munhoz olea, dimensions, bas...   \n",
-       "0000-0002-6938-9638  [base - bielefeld academic search engine, data...   \n",
-       "0000-0002-9025-8632                         [goowonderland dispensary]   \n",
-       "0000-0002-9965-2425                                [scopus - elsevier]   \n",
-       "0000-0002-4062-3603                  [juan de dios beltr´´án mancilla]   \n",
+       "             last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
+       "0    2021-03-22t13:56:48.311z      0        0      0             0      1   \n",
+       "1    2019-08-19t15:52:47.253z      3        0      0             3      1   \n",
+       "2    2021-02-09t04:56:35.554z      0        0      0             0      1   \n",
+       "3    2021-03-05t16:37:47.403z      1        0      0             4      1   \n",
+       "4    2020-10-20t06:55:55.051z     24        0      0            35      1   \n",
+       "..                        ...    ...      ...    ...           ...    ...   \n",
+       "135  2020-07-09t06:51:09.228z     23        0      0            72      1   \n",
+       "136  2021-02-22t14:58:30.893z     56        0      0            66      1   \n",
+       "137  2020-10-07t04:08:01.961z     19        0      0            33      1   \n",
+       "138  2021-02-11t14:40:38.515z      1        0      0             0      0   \n",
+       "139  2021-01-26t14:36:47.421z      1        0      0             2      0   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-5710-4041  2013-01-20t12:09:21.600z  2021-03-11t20:57:13.284z   \n",
-       "0000-0002-1929-6054  2017-09-15t19:45:43.483z  2021-03-14t20:20:21.282z   \n",
-       "0000-0003-2407-3557  2016-09-12t04:41:24.842z  2021-01-26t11:58:33.039z   \n",
-       "0000-0002-3997-5070  2016-08-24t11:00:30.403z  2021-03-14t07:11:09.817z   \n",
-       "0000-0003-2450-090X  2013-04-03t08:02:30.013z  2021-02-28t10:07:13.231z   \n",
-       "0000-0003-2593-7134  2016-03-02t18:37:44.989z  2021-03-08t03:42:22.593z   \n",
-       "0000-0002-3920-7389  2014-05-14t00:01:28.030z  2021-01-16t13:44:14.134z   \n",
-       "0000-0003-4948-9268  2020-02-22t15:49:52.386z  2021-03-12t15:13:44.065z   \n",
-       "0000-0003-2183-8112  2013-02-04t17:25:34.723z  2021-03-10t14:05:17.770z   \n",
-       "0000-0002-6938-9638  2019-05-07t19:27:02.210z  2020-12-10t23:39:15.236z   \n",
-       "0000-0002-9025-8632  2020-12-09t21:19:46.004z  2020-12-10t01:17:28.772z   \n",
-       "0000-0002-9965-2425  2014-09-18t12:34:14.242z  2020-02-11t14:31:25.544z   \n",
-       "0000-0002-4062-3603  2020-04-19t21:06:33.495z  2021-02-10t20:13:07.698z   \n",
+       "    primary_email_domain     other_email_domains  \\\n",
+       "0                    NaN                     NaN   \n",
+       "1                    NaN                     NaN   \n",
+       "2                    NaN                     NaN   \n",
+       "3                    NaN                     NaN   \n",
+       "4                    NaN                     NaN   \n",
+       "..                   ...                     ...   \n",
+       "135                  NaN                     NaN   \n",
+       "136            yahoo.com   [msu.edu, ksu.edu.sa]   \n",
+       "137        alzahra.ac.ir  [gmail.com, gmail.com]   \n",
+       "138                  NaN                     NaN   \n",
+       "139                  NaN                     NaN   \n",
        "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-5710-4041   1221       25      0          1742      0   \n",
-       "0000-0002-1929-6054     29        0      0            33      0   \n",
-       "0000-0003-2407-3557     19        0      0            77      0   \n",
-       "0000-0002-3997-5070     47        0      0            48      0   \n",
-       "0000-0003-2450-090X    199        0      1           174      0   \n",
-       "0000-0003-2593-7134     88        0      0           193      0   \n",
-       "0000-0002-3920-7389     37        0      0            21      0   \n",
-       "0000-0003-4948-9268     13        0      0            34      0   \n",
-       "0000-0003-2183-8112    797        0      1           582      0   \n",
-       "0000-0002-6938-9638   2022        0      0            16      0   \n",
-       "0000-0002-9025-8632      0        0      0             0      0   \n",
-       "0000-0002-9965-2425     15        0      0            29      0   \n",
-       "0000-0002-4062-3603      0        0      0             7      0   \n",
+       "                                           url_domains  n_emails  n_urls  \\\n",
+       "0    [khntusg.com.ua, khntusg.com.ua, google.com.ua...       NaN    13.0   \n",
+       "1    [google.com, ristekdikti.go.id, unsyiah.ac.id,...       NaN    16.0   \n",
+       "2    [blogspot.mx, behance.net, authorstream.com, d...       NaN    24.0   \n",
+       "3    [feriaempresamujer.com, escueladenegociosydire...       NaN    16.0   \n",
+       "4    [google.com.my, researchgate.net, academia.edu...       NaN    16.0   \n",
+       "..                                                 ...       ...     ...   \n",
+       "135  [rjohara.net, google.com, collegiateway.org, r...       NaN    12.0   \n",
+       "136  [shaguftaperveen.com, researchgate.net, ksu.ed...       2.0    11.0   \n",
+       "137  [scopus.com, google.com, publons.com, zenodo.o...       2.0    11.0   \n",
+       "138  [scopus.com, mendeley.com, publons.com, resear...       NaN    13.0   \n",
+       "139  [facebook.com, linkedin.com, instagram.com, re...       NaN    12.0   \n",
        "\n",
-       "                    primary_email_domain  \\\n",
-       "0000-0002-5710-4041        ise.pw.edu.pl   \n",
-       "0000-0002-1929-6054          hotmail.com   \n",
-       "0000-0003-2407-3557                  NaN   \n",
-       "0000-0002-3997-5070                  NaN   \n",
-       "0000-0003-2450-090X                  NaN   \n",
-       "0000-0003-2593-7134   syekhnurjati.ac.id   \n",
-       "0000-0002-3920-7389                  NaN   \n",
-       "0000-0003-4948-9268          usal.edu.ar   \n",
-       "0000-0003-2183-8112                  NaN   \n",
-       "0000-0002-6938-9638                  NaN   \n",
-       "0000-0002-9025-8632                  NaN   \n",
-       "0000-0002-9965-2425                  NaN   \n",
-       "0000-0002-4062-3603                  NaN   \n",
+       "     n_ids  n_keywords  n_education  n_employment  \n",
+       "0      1.0         3.0         14.0           7.0  \n",
+       "1      1.0         NaN          2.0           1.0  \n",
+       "2      1.0         8.0          NaN           NaN  \n",
+       "3      NaN         7.0         19.0          16.0  \n",
+       "4      2.0        10.0          NaN           4.0  \n",
+       "..     ...         ...          ...           ...  \n",
+       "135    3.0         5.0          1.0           NaN  \n",
+       "136    NaN        25.0          3.0           7.0  \n",
+       "137    1.0         4.0          3.0           4.0  \n",
+       "138    NaN         4.0          3.0           6.0  \n",
+       "139    NaN         1.0          NaN           2.0  \n",
        "\n",
-       "                                                   other_email_domains  \\\n",
-       "0000-0002-5710-4041           [ise.pw.edu.pl, elka.pw.edu.pl, cern.ch]   \n",
-       "0000-0002-1929-6054  [gmail.com, gmail.com, hotmail.com, baldwin.ed...   \n",
-       "0000-0003-2407-3557                                                NaN   \n",
-       "0000-0002-3997-5070                                                NaN   \n",
-       "0000-0003-2450-090X                                                NaN   \n",
-       "0000-0003-2593-7134                                        [gmail.com]   \n",
-       "0000-0002-3920-7389                                                NaN   \n",
-       "0000-0003-4948-9268                                                NaN   \n",
-       "0000-0003-2183-8112                                                NaN   \n",
-       "0000-0002-6938-9638                                                NaN   \n",
-       "0000-0002-9025-8632                                                NaN   \n",
-       "0000-0002-9965-2425                                                NaN   \n",
-       "0000-0002-4062-3603                                                NaN   \n",
-       "\n",
-       "                                                           url_domains  \\\n",
-       "0000-0002-5710-4041  [google.pl, publons.com, scopus.com, mendeley....   \n",
-       "0000-0002-1929-6054  [concytec.gob.pe, redalyc.org, redalyc.org, un...   \n",
-       "0000-0003-2407-3557  [google.com, syekhnurjati.ac.id, orcid.org, bl...   \n",
-       "0000-0002-3997-5070  [geethashishu.in, geethashishu.in, acm.org, go...   \n",
-       "0000-0003-2450-090X  [worldassessmentcouncil.org, spseke.sk, bcs.or...   \n",
-       "0000-0003-2593-7134  [microsoft.com, twitter.com, academia.edu, aca...   \n",
-       "0000-0002-3920-7389  [youtube.com, isjaee.com, researchgate.net, re...   \n",
-       "0000-0003-4948-9268  [icomos.ro, unirioja.es, unirioja.es, unc.edu....   \n",
-       "0000-0003-2183-8112  [cnpq.br, cnpq.br, cnpq.br, cnpq.br, publons.c...   \n",
-       "0000-0002-6938-9638  [researchgate.net, youtube.com, linkedin.com, ...   \n",
-       "0000-0002-9025-8632  [goowonderland.com, goowonderland.com, goowond...   \n",
-       "0000-0002-9965-2425  [biowebspin.com, biowebspin.com, google.com, l...   \n",
-       "0000-0002-4062-3603  [yumpu.com, ijopm.org, google.com, blogspot.co...   \n",
-       "\n",
-       "                     n_emails  n_urls  n_ids  n_keywords  n_education  \\\n",
-       "0000-0002-5710-4041       3.0   114.0    3.0         5.0          1.0   \n",
-       "0000-0002-1929-6054       5.0    61.0    4.0         2.0          1.0   \n",
-       "0000-0003-2407-3557       NaN    59.0    NaN         4.0          3.0   \n",
-       "0000-0002-3997-5070       NaN    71.0    3.0         6.0          5.0   \n",
-       "0000-0003-2450-090X       NaN   114.0    5.0         8.0          6.0   \n",
-       "0000-0003-2593-7134       1.0    67.0    4.0         7.0          2.0   \n",
-       "0000-0002-3920-7389       NaN   111.0    2.0        16.0          2.0   \n",
-       "0000-0003-4948-9268       NaN    61.0    2.0        11.0          6.0   \n",
-       "0000-0003-2183-8112       NaN    61.0    2.0         3.0          7.0   \n",
-       "0000-0002-6938-9638       NaN   152.0    1.0         NaN          6.0   \n",
-       "0000-0002-9025-8632       NaN    81.0    NaN         7.0          NaN   \n",
-       "0000-0002-9965-2425       NaN    73.0    1.0         4.0          4.0   \n",
-       "0000-0002-4062-3603       NaN    69.0    NaN         1.0          8.0   \n",
-       "\n",
-       "                     n_employment  \n",
-       "0000-0002-5710-4041           1.0  \n",
-       "0000-0002-1929-6054           1.0  \n",
-       "0000-0003-2407-3557           1.0  \n",
-       "0000-0002-3997-5070          10.0  \n",
-       "0000-0003-2450-090X          22.0  \n",
-       "0000-0003-2593-7134           1.0  \n",
-       "0000-0002-3920-7389           7.0  \n",
-       "0000-0003-4948-9268           5.0  \n",
-       "0000-0003-2183-8112           9.0  \n",
-       "0000-0002-6938-9638           NaN  \n",
-       "0000-0002-9025-8632           NaN  \n",
-       "0000-0002-9965-2425           2.0  \n",
-       "0000-0002-4062-3603           6.0  "
+       "[140 rows x 30 columns]"
       ]
      },
      "execution_count": 31,
@@ -8651,7 +9884,8 @@
     }
    ],
    "source": [
-    "df[(df['url_domains'].str.len() > 50) & (df['n_works'] > 0)]"
+    "exploded_sources = df[(df['url_domains'].str.len() > 10) & (df['n_works'] > 0) & (df['works_source'].str.len() == 1)].explode('works_source').reset_index(drop=True)\n",
+    "exploded_sources"
    ]
   },
   {
@@ -8660,656 +9894,6 @@
    "metadata": {
     "scrolled": true
    },
-   "outputs": [
-    {
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-       "\n",
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-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>orcid</th>\n",
-       "      <th>verified_email</th>\n",
-       "      <th>verified_primary_email</th>\n",
-       "      <th>given_names</th>\n",
-       "      <th>family_name</th>\n",
-       "      <th>biography</th>\n",
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-       "      <th>keywords</th>\n",
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-       "      <th>education</th>\n",
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-       "      <th>n_pmc</th>\n",
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-       "      <th>primary_email_domain</th>\n",
-       "      <th>other_email_domains</th>\n",
-       "      <th>url_domains</th>\n",
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-       "      <th>n_employment</th>\n",
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-       "  <tbody>\n",
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-       "      <th>0000-0002-3505-2797</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>nurul</td>\n",
-       "      <td>malahayati</td>\n",
-       "      <td>google scholar</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[researcherid, q-3861-2017]]</td>\n",
-       "      <td>[[civil and transportation engineering , maste...</td>\n",
-       "      <td>[[senior lecturer, universitas syiah kuala, ba...</td>\n",
-       "      <td>6</td>\n",
-       "      <td>[nurul malahayati]</td>\n",
-       "      <td>2017-10-01t00:46:31.324z</td>\n",
-       "      <td>2019-08-19t15:52:47.253z</td>\n",
-       "      <td>3</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>3</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[google.com, ristekdikti.go.id, unsyiah.ac.id,...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-3670-9620</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>carlos</td>\n",
-       "      <td>barrera</td>\n",
-       "      <td>im individual inventor, and this is my work; s...</td>\n",
-       "      <td>[retrodynamic, novelinflow]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[gearturbine, mechanical, power, innovation, t...</td>\n",
-       "      <td>[[loop profile, 394457]]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>1</td>\n",
-       "      <td>[carlos barrera]</td>\n",
-       "      <td>2016-08-29t20:32:10.362z</td>\n",
-       "      <td>2021-02-09t04:56:35.554z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[blogspot.mx, behance.net, authorstream.com, d...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>24.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>8.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-5441-0465</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>nuria</td>\n",
-       "      <td>hernández-león</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[nuria h. león, nuria hernández león, hernánde...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[marketing, research, human resources, busines...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[, course: social skills, university of salam...</td>\n",
-       "      <td>[[merchandise reception and expedition trainer...</td>\n",
-       "      <td>11</td>\n",
-       "      <td>[nuria hernández-león]</td>\n",
-       "      <td>2015-11-28t07:18:58.442z</td>\n",
-       "      <td>2021-03-05t16:37:47.403z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>4</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[feriaempresamujer.com, escueladenegociosydire...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>19.0</td>\n",
-       "      <td>16.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-7781-6767</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>mohd nazri</td>\n",
-       "      <td>ismail</td>\n",
-       "      <td>born in penang, malaysia in 1971, dr. mohd had...</td>\n",
-       "      <td>[ndum (national defence university of malaysia)]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[network communication, manet, wsn, network se...</td>\n",
-       "      <td>[[scopus author id, 24372977800], [researcheri...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[lecturer, universiti pertahanan nasional mal...</td>\n",
-       "      <td>35</td>\n",
-       "      <td>[scopus - elsevier]</td>\n",
-       "      <td>2016-09-06t02:25:52.974z</td>\n",
-       "      <td>2020-10-20t06:55:55.051z</td>\n",
-       "      <td>24</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>35</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[google.com.my, researchgate.net, academia.edu...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>4.0</td>\n",
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-       "    <tr>\n",
-       "      <th>0000-0001-7010-2908</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>clara</td>\n",
-       "      <td>sarmento</td>\n",
-       "      <td>clara sarmento holds an aggregation in cultura...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[ethnography, tourism and business, anglo-amer...</td>\n",
-       "      <td>[[ciência id, d418-d6f8-7d49]]</td>\n",
-       "      <td>[[ao abrigo da bolsa santander ie best practic...</td>\n",
-       "      <td>[[presidente da comissão de acreditação do nov...</td>\n",
-       "      <td>275</td>\n",
-       "      <td>[clara sarmento]</td>\n",
-       "      <td>2013-12-12t00:33:58.190z</td>\n",
-       "      <td>2020-10-12t14:43:00.749z</td>\n",
-       "      <td>17</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>60</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[iscap.pt, google.pt, academia.edu, researchga...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>13.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>8.0</td>\n",
-       "      <td>37.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>...</th>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-9446-9496</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>jesús</td>\n",
-       "      <td>portillo-fernández</td>\n",
-       "      <td>ba in philosophy, ba in humanities, ph.d. in p...</td>\n",
-       "      <td>[jesús portillo fernández, portillo-fernández,...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[absurdo, lingüística, pragmática, filosofía d...</td>\n",
-       "      <td>[[scopus author id, 55229372800]]</td>\n",
-       "      <td>[[, doctor en filología, universidad de sevill...</td>\n",
-       "      <td>[[, grupo de investigación en lógica, lenguaje...</td>\n",
-       "      <td>35</td>\n",
-       "      <td>[jesús portillo-fernández]</td>\n",
-       "      <td>2015-03-08t20:37:16.590z</td>\n",
-       "      <td>2021-03-12t22:05:28.976z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[us.es, us.es, us.es, google.es, microsoft.com...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-0579-5829</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>ángel</td>\n",
-       "      <td>carrión-tavárez</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[ángel carrión tavárez, á carrión tavárez, ác ...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[editing and publishing, sociomusicology, geog...</td>\n",
-       "      <td>[[loop profile, 687295]]</td>\n",
-       "      <td>[[integration and economic and territorial dev...</td>\n",
-       "      <td>[[director, university of puerto rico at río p...</td>\n",
-       "      <td>132</td>\n",
-       "      <td>[ángel carrión-tavárez]</td>\n",
-       "      <td>2017-12-30t19:25:41.566z</td>\n",
-       "      <td>2021-03-13t23:21:59.069z</td>\n",
-       "      <td>13</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>28</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[academia.edu, redalyc.org, directorioexit.inf...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>11.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0001-8960-9004</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>susan</td>\n",
-       "      <td>bastani</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[s. bastani, سوسن باستانی]</td>\n",
-       "      <td>sbastani@alzahra.ac.ir</td>\n",
-       "      <td>[social networks, online and offline communiti...</td>\n",
-       "      <td>[[scopus author id, 16642098400]]</td>\n",
-       "      <td>[[sociology, ph.d., university of toronto, tor...</td>\n",
-       "      <td>[[professor, alzahra university, tehran, vanak...</td>\n",
-       "      <td>20</td>\n",
-       "      <td>[scopus - elsevier]</td>\n",
-       "      <td>2019-07-10t06:50:46.255z</td>\n",
-       "      <td>2020-10-07t04:08:01.961z</td>\n",
-       "      <td>19</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>33</td>\n",
-       "      <td>0</td>\n",
-       "      <td>alzahra.ac.ir</td>\n",
-       "      <td>[gmail.com, gmail.com]</td>\n",
-       "      <td>[scopus.com, google.com, publons.com, zenodo.o...</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>11.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>4.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-4379-6454</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>caroline wanjiru</td>\n",
-       "      <td>kariuki</td>\n",
-       "      <td>caroline holds a phd in economics from curtin ...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[applied economics, financial economics, appli...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[economics, doctor of philosophy , curtin uni...</td>\n",
-       "      <td>[[director, educational development, strathmor...</td>\n",
-       "      <td>4</td>\n",
-       "      <td>[caroline wanjiru kariuki]</td>\n",
-       "      <td>2020-03-18t10:18:04.007z</td>\n",
-       "      <td>2021-02-11t14:40:38.515z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[scopus.com, mendeley.com, publons.com, resear...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>13.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>6.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0003-2311-0600</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>myo</td>\n",
-       "      <td>kyaw hlaing</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[dr myo kyaw hlaing]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[economic geology]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[lecturer, union of myanmar ministry of educa...</td>\n",
-       "      <td>2</td>\n",
-       "      <td>[myo kyaw hlaing]</td>\n",
-       "      <td>2018-12-26t12:51:57.801z</td>\n",
-       "      <td>2021-01-26t14:36:47.421z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>2</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[facebook.com, linkedin.com, instagram.com, re...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2.0</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "<p>141 rows × 30 columns</p>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-3505-2797      1               1                       1   \n",
-       "0000-0003-3670-9620      1               1                       1   \n",
-       "0000-0002-5441-0465      1               1                       1   \n",
-       "0000-0002-7781-6767      1               1                       1   \n",
-       "0000-0001-7010-2908      1               1                       1   \n",
-       "...                    ...             ...                     ...   \n",
-       "0000-0002-9446-9496      1               1                       1   \n",
-       "0000-0003-0579-5829      1               1                       1   \n",
-       "0000-0001-8960-9004      1               1                       1   \n",
-       "0000-0002-4379-6454      1               1                       1   \n",
-       "0000-0003-2311-0600      1               1                       1   \n",
-       "\n",
-       "                          given_names         family_name  \\\n",
-       "0000-0002-3505-2797             nurul          malahayati   \n",
-       "0000-0003-3670-9620            carlos             barrera   \n",
-       "0000-0002-5441-0465             nuria      hernández-león   \n",
-       "0000-0002-7781-6767        mohd nazri              ismail   \n",
-       "0000-0001-7010-2908             clara            sarmento   \n",
-       "...                               ...                 ...   \n",
-       "0000-0002-9446-9496             jesús  portillo-fernández   \n",
-       "0000-0003-0579-5829             ángel     carrión-tavárez   \n",
-       "0000-0001-8960-9004             susan             bastani   \n",
-       "0000-0002-4379-6454  caroline wanjiru             kariuki   \n",
-       "0000-0003-2311-0600               myo         kyaw hlaing   \n",
-       "\n",
-       "                                                             biography  \\\n",
-       "0000-0002-3505-2797                                     google scholar   \n",
-       "0000-0003-3670-9620  im individual inventor, and this is my work; s...   \n",
-       "0000-0002-5441-0465                                                NaN   \n",
-       "0000-0002-7781-6767  born in penang, malaysia in 1971, dr. mohd had...   \n",
-       "0000-0001-7010-2908  clara sarmento holds an aggregation in cultura...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  ba in philosophy, ba in humanities, ph.d. in p...   \n",
-       "0000-0003-0579-5829                                                NaN   \n",
-       "0000-0001-8960-9004                                                NaN   \n",
-       "0000-0002-4379-6454  caroline holds a phd in economics from curtin ...   \n",
-       "0000-0003-2311-0600                                                NaN   \n",
-       "\n",
-       "                                                           other_names  \\\n",
-       "0000-0002-3505-2797                                                NaN   \n",
-       "0000-0003-3670-9620                        [retrodynamic, novelinflow]   \n",
-       "0000-0002-5441-0465  [nuria h. león, nuria hernández león, hernánde...   \n",
-       "0000-0002-7781-6767   [ndum (national defence university of malaysia)]   \n",
-       "0000-0001-7010-2908                                                NaN   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  [jesús portillo fernández, portillo-fernández,...   \n",
-       "0000-0003-0579-5829  [ángel carrión tavárez, á carrión tavárez, ác ...   \n",
-       "0000-0001-8960-9004                         [s. bastani, سوسن باستانی]   \n",
-       "0000-0002-4379-6454                                                NaN   \n",
-       "0000-0003-2311-0600                               [dr myo kyaw hlaing]   \n",
-       "\n",
-       "                              primary_email  \\\n",
-       "0000-0002-3505-2797                     NaN   \n",
-       "0000-0003-3670-9620                     NaN   \n",
-       "0000-0002-5441-0465                     NaN   \n",
-       "0000-0002-7781-6767                     NaN   \n",
-       "0000-0001-7010-2908                     NaN   \n",
-       "...                                     ...   \n",
-       "0000-0002-9446-9496                     NaN   \n",
-       "0000-0003-0579-5829                     NaN   \n",
-       "0000-0001-8960-9004  sbastani@alzahra.ac.ir   \n",
-       "0000-0002-4379-6454                     NaN   \n",
-       "0000-0003-2311-0600                     NaN   \n",
-       "\n",
-       "                                                              keywords  \\\n",
-       "0000-0002-3505-2797                                                NaN   \n",
-       "0000-0003-3670-9620  [gearturbine, mechanical, power, innovation, t...   \n",
-       "0000-0002-5441-0465  [marketing, research, human resources, busines...   \n",
-       "0000-0002-7781-6767  [network communication, manet, wsn, network se...   \n",
-       "0000-0001-7010-2908  [ethnography, tourism and business, anglo-amer...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  [absurdo, lingüística, pragmática, filosofía d...   \n",
-       "0000-0003-0579-5829  [editing and publishing, sociomusicology, geog...   \n",
-       "0000-0001-8960-9004  [social networks, online and offline communiti...   \n",
-       "0000-0002-4379-6454  [applied economics, financial economics, appli...   \n",
-       "0000-0003-2311-0600                                 [economic geology]   \n",
-       "\n",
-       "                                                          external_ids  \\\n",
-       "0000-0002-3505-2797                      [[researcherid, q-3861-2017]]   \n",
-       "0000-0003-3670-9620                           [[loop profile, 394457]]   \n",
-       "0000-0002-5441-0465                                                NaN   \n",
-       "0000-0002-7781-6767  [[scopus author id, 24372977800], [researcheri...   \n",
-       "0000-0001-7010-2908                     [[ciência id, d418-d6f8-7d49]]   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496                  [[scopus author id, 55229372800]]   \n",
-       "0000-0003-0579-5829                           [[loop profile, 687295]]   \n",
-       "0000-0001-8960-9004                  [[scopus author id, 16642098400]]   \n",
-       "0000-0002-4379-6454                                                NaN   \n",
-       "0000-0003-2311-0600                                                NaN   \n",
-       "\n",
-       "                                                             education  \\\n",
-       "0000-0002-3505-2797  [[civil and transportation engineering , maste...   \n",
-       "0000-0003-3670-9620                                                NaN   \n",
-       "0000-0002-5441-0465  [[, course: social skills, university of salam...   \n",
-       "0000-0002-7781-6767                                                NaN   \n",
-       "0000-0001-7010-2908  [[ao abrigo da bolsa santander ie best practic...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  [[, doctor en filología, universidad de sevill...   \n",
-       "0000-0003-0579-5829  [[integration and economic and territorial dev...   \n",
-       "0000-0001-8960-9004  [[sociology, ph.d., university of toronto, tor...   \n",
-       "0000-0002-4379-6454  [[economics, doctor of philosophy , curtin uni...   \n",
-       "0000-0003-2311-0600                                                NaN   \n",
-       "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-3505-2797  [[senior lecturer, universitas syiah kuala, ba...   \n",
-       "0000-0003-3670-9620                                                NaN   \n",
-       "0000-0002-5441-0465  [[merchandise reception and expedition trainer...   \n",
-       "0000-0002-7781-6767  [[lecturer, universiti pertahanan nasional mal...   \n",
-       "0000-0001-7010-2908  [[presidente da comissão de acreditação do nov...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  [[, grupo de investigación en lógica, lenguaje...   \n",
-       "0000-0003-0579-5829  [[director, university of puerto rico at río p...   \n",
-       "0000-0001-8960-9004  [[professor, alzahra university, tehran, vanak...   \n",
-       "0000-0002-4379-6454  [[director, educational development, strathmor...   \n",
-       "0000-0003-2311-0600  [[lecturer, union of myanmar ministry of educa...   \n",
-       "\n",
-       "                     n_works                works_source  \\\n",
-       "0000-0002-3505-2797        6          [nurul malahayati]   \n",
-       "0000-0003-3670-9620        1            [carlos barrera]   \n",
-       "0000-0002-5441-0465       11      [nuria hernández-león]   \n",
-       "0000-0002-7781-6767       35         [scopus - elsevier]   \n",
-       "0000-0001-7010-2908      275            [clara sarmento]   \n",
-       "...                      ...                         ...   \n",
-       "0000-0002-9446-9496       35  [jesús portillo-fernández]   \n",
-       "0000-0003-0579-5829      132     [ángel carrión-tavárez]   \n",
-       "0000-0001-8960-9004       20         [scopus - elsevier]   \n",
-       "0000-0002-4379-6454        4  [caroline wanjiru kariuki]   \n",
-       "0000-0003-2311-0600        2           [myo kyaw hlaing]   \n",
-       "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-3505-2797  2017-10-01t00:46:31.324z  2019-08-19t15:52:47.253z   \n",
-       "0000-0003-3670-9620  2016-08-29t20:32:10.362z  2021-02-09t04:56:35.554z   \n",
-       "0000-0002-5441-0465  2015-11-28t07:18:58.442z  2021-03-05t16:37:47.403z   \n",
-       "0000-0002-7781-6767  2016-09-06t02:25:52.974z  2020-10-20t06:55:55.051z   \n",
-       "0000-0001-7010-2908  2013-12-12t00:33:58.190z  2020-10-12t14:43:00.749z   \n",
-       "...                                       ...                       ...   \n",
-       "0000-0002-9446-9496  2015-03-08t20:37:16.590z  2021-03-12t22:05:28.976z   \n",
-       "0000-0003-0579-5829  2017-12-30t19:25:41.566z  2021-03-13t23:21:59.069z   \n",
-       "0000-0001-8960-9004  2019-07-10t06:50:46.255z  2020-10-07t04:08:01.961z   \n",
-       "0000-0002-4379-6454  2020-03-18t10:18:04.007z  2021-02-11t14:40:38.515z   \n",
-       "0000-0003-2311-0600  2018-12-26t12:51:57.801z  2021-01-26t14:36:47.421z   \n",
-       "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-3505-2797      3        0      0             3      0   \n",
-       "0000-0003-3670-9620      0        0      0             0      0   \n",
-       "0000-0002-5441-0465      1        0      0             4      0   \n",
-       "0000-0002-7781-6767     24        0      0            35      0   \n",
-       "0000-0001-7010-2908     17        0      0            60      0   \n",
-       "...                    ...      ...    ...           ...    ...   \n",
-       "0000-0002-9446-9496      0        0      0             0      0   \n",
-       "0000-0003-0579-5829     13        0      0            28      0   \n",
-       "0000-0001-8960-9004     19        0      0            33      0   \n",
-       "0000-0002-4379-6454      1        0      0             0      0   \n",
-       "0000-0003-2311-0600      1        0      0             2      0   \n",
-       "\n",
-       "                    primary_email_domain     other_email_domains  \\\n",
-       "0000-0002-3505-2797                  NaN                     NaN   \n",
-       "0000-0003-3670-9620                  NaN                     NaN   \n",
-       "0000-0002-5441-0465                  NaN                     NaN   \n",
-       "0000-0002-7781-6767                  NaN                     NaN   \n",
-       "0000-0001-7010-2908                  NaN                     NaN   \n",
-       "...                                  ...                     ...   \n",
-       "0000-0002-9446-9496                  NaN                     NaN   \n",
-       "0000-0003-0579-5829                  NaN                     NaN   \n",
-       "0000-0001-8960-9004        alzahra.ac.ir  [gmail.com, gmail.com]   \n",
-       "0000-0002-4379-6454                  NaN                     NaN   \n",
-       "0000-0003-2311-0600                  NaN                     NaN   \n",
-       "\n",
-       "                                                           url_domains  \\\n",
-       "0000-0002-3505-2797  [google.com, ristekdikti.go.id, unsyiah.ac.id,...   \n",
-       "0000-0003-3670-9620  [blogspot.mx, behance.net, authorstream.com, d...   \n",
-       "0000-0002-5441-0465  [feriaempresamujer.com, escueladenegociosydire...   \n",
-       "0000-0002-7781-6767  [google.com.my, researchgate.net, academia.edu...   \n",
-       "0000-0001-7010-2908  [iscap.pt, google.pt, academia.edu, researchga...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9446-9496  [us.es, us.es, us.es, google.es, microsoft.com...   \n",
-       "0000-0003-0579-5829  [academia.edu, redalyc.org, directorioexit.inf...   \n",
-       "0000-0001-8960-9004  [scopus.com, google.com, publons.com, zenodo.o...   \n",
-       "0000-0002-4379-6454  [scopus.com, mendeley.com, publons.com, resear...   \n",
-       "0000-0003-2311-0600  [facebook.com, linkedin.com, instagram.com, re...   \n",
-       "\n",
-       "                     n_emails  n_urls  n_ids  n_keywords  n_education  \\\n",
-       "0000-0002-3505-2797       NaN    16.0    1.0         NaN          2.0   \n",
-       "0000-0003-3670-9620       NaN    24.0    1.0         8.0          NaN   \n",
-       "0000-0002-5441-0465       NaN    16.0    NaN         7.0         19.0   \n",
-       "0000-0002-7781-6767       NaN    16.0    2.0        10.0          NaN   \n",
-       "0000-0001-7010-2908       NaN    13.0    1.0         6.0          8.0   \n",
-       "...                       ...     ...    ...         ...          ...   \n",
-       "0000-0002-9446-9496       NaN    12.0    1.0         5.0          5.0   \n",
-       "0000-0003-0579-5829       NaN    11.0    1.0         6.0          4.0   \n",
-       "0000-0001-8960-9004       2.0    11.0    1.0         4.0          3.0   \n",
-       "0000-0002-4379-6454       NaN    13.0    NaN         4.0          3.0   \n",
-       "0000-0003-2311-0600       NaN    12.0    NaN         1.0          NaN   \n",
-       "\n",
-       "                     n_employment  \n",
-       "0000-0002-3505-2797           1.0  \n",
-       "0000-0003-3670-9620           NaN  \n",
-       "0000-0002-5441-0465          16.0  \n",
-       "0000-0002-7781-6767           4.0  \n",
-       "0000-0001-7010-2908          37.0  \n",
-       "...                           ...  \n",
-       "0000-0002-9446-9496           1.0  \n",
-       "0000-0003-0579-5829           3.0  \n",
-       "0000-0001-8960-9004           4.0  \n",
-       "0000-0002-4379-6454           6.0  \n",
-       "0000-0003-2311-0600           2.0  \n",
-       "\n",
-       "[141 rows x 30 columns]"
-      ]
-     },
-     "execution_count": 32,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "df[(df['url_domains'].str.len() > 10) & (df['n_works'] > 0) & (df['works_source'].str.len() == 1)]"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 33,
-   "metadata": {
-    "scrolled": true
-   },
    "outputs": [
     {
      "data": {
@@ -9367,8 +9951,41 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
+       "      <td>0000-0002-5967-2835</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
+       "      <td>oleksiy</td>\n",
+       "      <td>goryayinov</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[алексей николаевич горяинов, о.м.горяїнов, а....</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[diagnostics, transport, logistics]</td>\n",
+       "      <td>[[researcherid, i-7977-2016]]</td>\n",
+       "      <td>[[, дистанционный курс «ctl.sc2x: supply chain...</td>\n",
+       "      <td>[[docent, kharkiv petro vasylenko national tec...</td>\n",
+       "      <td>274</td>\n",
+       "      <td>oleksiy goryayinov</td>\n",
+       "      <td>2014-08-03t18:06:42.925z</td>\n",
+       "      <td>2021-03-22t13:56:48.311z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[khntusg.com.ua, khntusg.com.ua, google.com.ua...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>13.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>14.0</td>\n",
+       "      <td>7.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>0000-0002-3505-2797</td>\n",
+       "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>nurul</td>\n",
        "      <td>malahayati</td>\n",
@@ -9387,7 +10004,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>3</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[google.com, ristekdikti.go.id, unsyiah.ac.id,...</td>\n",
@@ -9399,8 +10016,8 @@
        "      <td>1.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>1</td>\n",
+       "      <th>2</th>\n",
+       "      <td>0000-0003-3670-9620</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>carlos</td>\n",
@@ -9408,7 +10025,7 @@
        "      <td>im individual inventor, and this is my work; s...</td>\n",
        "      <td>[retrodynamic, novelinflow]</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[gearturbine, mechanical, power, innovation, t...</td>\n",
+       "      <td>[imploturbocompressor, innovation, gearturbine...</td>\n",
        "      <td>[[loop profile, 394457]]</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -9420,7 +10037,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[blogspot.mx, behance.net, authorstream.com, d...</td>\n",
@@ -9432,620 +10049,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>nuria</td>\n",
-       "      <td>hernández-león</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[nuria h. león, nuria hernández león, hernánde...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[marketing, research, human resources, busines...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[, course: social skills, university of salam...</td>\n",
-       "      <td>[[merchandise reception and expedition trainer...</td>\n",
-       "      <td>11</td>\n",
-       "      <td>nuria hernández-león</td>\n",
-       "      <td>2015-11-28t07:18:58.442z</td>\n",
-       "      <td>2021-03-05t16:37:47.403z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>4</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[feriaempresamujer.com, escueladenegociosydire...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>19.0</td>\n",
-       "      <td>16.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>mohd nazri</td>\n",
-       "      <td>ismail</td>\n",
-       "      <td>born in penang, malaysia in 1971, dr. mohd had...</td>\n",
-       "      <td>[ndum (national defence university of malaysia)]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[network communication, manet, wsn, network se...</td>\n",
-       "      <td>[[scopus author id, 24372977800], [researcheri...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[lecturer, universiti pertahanan nasional mal...</td>\n",
-       "      <td>35</td>\n",
-       "      <td>scopus - elsevier</td>\n",
-       "      <td>2016-09-06t02:25:52.974z</td>\n",
-       "      <td>2020-10-20t06:55:55.051z</td>\n",
-       "      <td>24</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>35</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[google.com.my, researchgate.net, academia.edu...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>16.0</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>10.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>4.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>clara</td>\n",
-       "      <td>sarmento</td>\n",
-       "      <td>clara sarmento holds an aggregation in cultura...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[ethnography, tourism and business, anglo-amer...</td>\n",
-       "      <td>[[ciência id, d418-d6f8-7d49]]</td>\n",
-       "      <td>[[ao abrigo da bolsa santander ie best practic...</td>\n",
-       "      <td>[[presidente da comissão de acreditação do nov...</td>\n",
-       "      <td>275</td>\n",
-       "      <td>clara sarmento</td>\n",
-       "      <td>2013-12-12t00:33:58.190z</td>\n",
-       "      <td>2020-10-12t14:43:00.749z</td>\n",
-       "      <td>17</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>60</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[iscap.pt, google.pt, academia.edu, researchga...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>13.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>8.0</td>\n",
-       "      <td>37.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>...</th>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "      <td>...</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>136</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>jesús</td>\n",
-       "      <td>portillo-fernández</td>\n",
-       "      <td>ba in philosophy, ba in humanities, ph.d. in p...</td>\n",
-       "      <td>[jesús portillo fernández, portillo-fernández,...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[absurdo, lingüística, pragmática, filosofía d...</td>\n",
-       "      <td>[[scopus author id, 55229372800]]</td>\n",
-       "      <td>[[, doctor en filología, universidad de sevill...</td>\n",
-       "      <td>[[, grupo de investigación en lógica, lenguaje...</td>\n",
-       "      <td>35</td>\n",
-       "      <td>jesús portillo-fernández</td>\n",
-       "      <td>2015-03-08t20:37:16.590z</td>\n",
-       "      <td>2021-03-12t22:05:28.976z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[us.es, us.es, us.es, google.es, microsoft.com...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>137</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>ángel</td>\n",
-       "      <td>carrión-tavárez</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[ángel carrión tavárez, á carrión tavárez, ác ...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[editing and publishing, sociomusicology, geog...</td>\n",
-       "      <td>[[loop profile, 687295]]</td>\n",
-       "      <td>[[integration and economic and territorial dev...</td>\n",
-       "      <td>[[director, university of puerto rico at río p...</td>\n",
-       "      <td>132</td>\n",
-       "      <td>ángel carrión-tavárez</td>\n",
-       "      <td>2017-12-30t19:25:41.566z</td>\n",
-       "      <td>2021-03-13t23:21:59.069z</td>\n",
-       "      <td>13</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>28</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[academia.edu, redalyc.org, directorioexit.inf...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>11.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>138</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>susan</td>\n",
-       "      <td>bastani</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[s. bastani, سوسن باستانی]</td>\n",
-       "      <td>sbastani@alzahra.ac.ir</td>\n",
-       "      <td>[social networks, online and offline communiti...</td>\n",
-       "      <td>[[scopus author id, 16642098400]]</td>\n",
-       "      <td>[[sociology, ph.d., university of toronto, tor...</td>\n",
-       "      <td>[[professor, alzahra university, tehran, vanak...</td>\n",
-       "      <td>20</td>\n",
-       "      <td>scopus - elsevier</td>\n",
-       "      <td>2019-07-10t06:50:46.255z</td>\n",
-       "      <td>2020-10-07t04:08:01.961z</td>\n",
-       "      <td>19</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>33</td>\n",
-       "      <td>0</td>\n",
-       "      <td>alzahra.ac.ir</td>\n",
-       "      <td>[gmail.com, gmail.com]</td>\n",
-       "      <td>[scopus.com, google.com, publons.com, zenodo.o...</td>\n",
-       "      <td>2.0</td>\n",
-       "      <td>11.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>4.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>139</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>caroline wanjiru</td>\n",
-       "      <td>kariuki</td>\n",
-       "      <td>caroline holds a phd in economics from curtin ...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[applied economics, financial economics, appli...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[economics, doctor of philosophy , curtin uni...</td>\n",
-       "      <td>[[director, educational development, strathmor...</td>\n",
-       "      <td>4</td>\n",
-       "      <td>caroline wanjiru kariuki</td>\n",
-       "      <td>2020-03-18t10:18:04.007z</td>\n",
-       "      <td>2021-02-11t14:40:38.515z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[scopus.com, mendeley.com, publons.com, resear...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>13.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "      <td>6.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>140</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>myo</td>\n",
-       "      <td>kyaw hlaing</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[dr myo kyaw hlaing]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[economic geology]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[[lecturer, union of myanmar ministry of educa...</td>\n",
-       "      <td>2</td>\n",
-       "      <td>myo kyaw hlaing</td>\n",
-       "      <td>2018-12-26t12:51:57.801z</td>\n",
-       "      <td>2021-01-26t14:36:47.421z</td>\n",
-       "      <td>1</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>2</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[facebook.com, linkedin.com, instagram.com, re...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2.0</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "<p>141 rows × 30 columns</p>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "     orcid  verified_email  verified_primary_email       given_names  \\\n",
-       "0        1               1                       1             nurul   \n",
-       "1        1               1                       1            carlos   \n",
-       "2        1               1                       1             nuria   \n",
-       "3        1               1                       1        mohd nazri   \n",
-       "4        1               1                       1             clara   \n",
-       "..     ...             ...                     ...               ...   \n",
-       "136      1               1                       1             jesús   \n",
-       "137      1               1                       1             ángel   \n",
-       "138      1               1                       1             susan   \n",
-       "139      1               1                       1  caroline wanjiru   \n",
-       "140      1               1                       1               myo   \n",
-       "\n",
-       "            family_name                                          biography  \\\n",
-       "0            malahayati                                     google scholar   \n",
-       "1               barrera  im individual inventor, and this is my work; s...   \n",
-       "2        hernández-león                                                NaN   \n",
-       "3                ismail  born in penang, malaysia in 1971, dr. mohd had...   \n",
-       "4              sarmento  clara sarmento holds an aggregation in cultura...   \n",
-       "..                  ...                                                ...   \n",
-       "136  portillo-fernández  ba in philosophy, ba in humanities, ph.d. in p...   \n",
-       "137     carrión-tavárez                                                NaN   \n",
-       "138             bastani                                                NaN   \n",
-       "139             kariuki  caroline holds a phd in economics from curtin ...   \n",
-       "140         kyaw hlaing                                                NaN   \n",
-       "\n",
-       "                                           other_names  \\\n",
-       "0                                                  NaN   \n",
-       "1                          [retrodynamic, novelinflow]   \n",
-       "2    [nuria h. león, nuria hernández león, hernánde...   \n",
-       "3     [ndum (national defence university of malaysia)]   \n",
-       "4                                                  NaN   \n",
-       "..                                                 ...   \n",
-       "136  [jesús portillo fernández, portillo-fernández,...   \n",
-       "137  [ángel carrión tavárez, á carrión tavárez, ác ...   \n",
-       "138                         [s. bastani, سوسن باستانی]   \n",
-       "139                                                NaN   \n",
-       "140                               [dr myo kyaw hlaing]   \n",
-       "\n",
-       "              primary_email  \\\n",
-       "0                       NaN   \n",
-       "1                       NaN   \n",
-       "2                       NaN   \n",
-       "3                       NaN   \n",
-       "4                       NaN   \n",
-       "..                      ...   \n",
-       "136                     NaN   \n",
-       "137                     NaN   \n",
-       "138  sbastani@alzahra.ac.ir   \n",
-       "139                     NaN   \n",
-       "140                     NaN   \n",
-       "\n",
-       "                                              keywords  \\\n",
-       "0                                                  NaN   \n",
-       "1    [gearturbine, mechanical, power, innovation, t...   \n",
-       "2    [marketing, research, human resources, busines...   \n",
-       "3    [network communication, manet, wsn, network se...   \n",
-       "4    [ethnography, tourism and business, anglo-amer...   \n",
-       "..                                                 ...   \n",
-       "136  [absurdo, lingüística, pragmática, filosofía d...   \n",
-       "137  [editing and publishing, sociomusicology, geog...   \n",
-       "138  [social networks, online and offline communiti...   \n",
-       "139  [applied economics, financial economics, appli...   \n",
-       "140                                 [economic geology]   \n",
-       "\n",
-       "                                          external_ids  \\\n",
-       "0                        [[researcherid, q-3861-2017]]   \n",
-       "1                             [[loop profile, 394457]]   \n",
-       "2                                                  NaN   \n",
-       "3    [[scopus author id, 24372977800], [researcheri...   \n",
-       "4                       [[ciência id, d418-d6f8-7d49]]   \n",
-       "..                                                 ...   \n",
-       "136                  [[scopus author id, 55229372800]]   \n",
-       "137                           [[loop profile, 687295]]   \n",
-       "138                  [[scopus author id, 16642098400]]   \n",
-       "139                                                NaN   \n",
-       "140                                                NaN   \n",
-       "\n",
-       "                                             education  \\\n",
-       "0    [[civil and transportation engineering , maste...   \n",
-       "1                                                  NaN   \n",
-       "2    [[, course: social skills, university of salam...   \n",
-       "3                                                  NaN   \n",
-       "4    [[ao abrigo da bolsa santander ie best practic...   \n",
-       "..                                                 ...   \n",
-       "136  [[, doctor en filología, universidad de sevill...   \n",
-       "137  [[integration and economic and territorial dev...   \n",
-       "138  [[sociology, ph.d., university of toronto, tor...   \n",
-       "139  [[economics, doctor of philosophy , curtin uni...   \n",
-       "140                                                NaN   \n",
-       "\n",
-       "                                            employment  n_works  \\\n",
-       "0    [[senior lecturer, universitas syiah kuala, ba...        6   \n",
-       "1                                                  NaN        1   \n",
-       "2    [[merchandise reception and expedition trainer...       11   \n",
-       "3    [[lecturer, universiti pertahanan nasional mal...       35   \n",
-       "4    [[presidente da comissão de acreditação do nov...      275   \n",
-       "..                                                 ...      ...   \n",
-       "136  [[, grupo de investigación en lógica, lenguaje...       35   \n",
-       "137  [[director, university of puerto rico at río p...      132   \n",
-       "138  [[professor, alzahra university, tehran, vanak...       20   \n",
-       "139  [[director, educational development, strathmor...        4   \n",
-       "140  [[lecturer, union of myanmar ministry of educa...        2   \n",
-       "\n",
-       "                 works_source           activation_date  \\\n",
-       "0            nurul malahayati  2017-10-01t00:46:31.324z   \n",
-       "1              carlos barrera  2016-08-29t20:32:10.362z   \n",
-       "2        nuria hernández-león  2015-11-28t07:18:58.442z   \n",
-       "3           scopus - elsevier  2016-09-06t02:25:52.974z   \n",
-       "4              clara sarmento  2013-12-12t00:33:58.190z   \n",
-       "..                        ...                       ...   \n",
-       "136  jesús portillo-fernández  2015-03-08t20:37:16.590z   \n",
-       "137     ángel carrión-tavárez  2017-12-30t19:25:41.566z   \n",
-       "138         scopus - elsevier  2019-07-10t06:50:46.255z   \n",
-       "139  caroline wanjiru kariuki  2020-03-18t10:18:04.007z   \n",
-       "140           myo kyaw hlaing  2018-12-26t12:51:57.801z   \n",
-       "\n",
-       "             last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0    2019-08-19t15:52:47.253z      3        0      0             3      0   \n",
-       "1    2021-02-09t04:56:35.554z      0        0      0             0      0   \n",
-       "2    2021-03-05t16:37:47.403z      1        0      0             4      0   \n",
-       "3    2020-10-20t06:55:55.051z     24        0      0            35      0   \n",
-       "4    2020-10-12t14:43:00.749z     17        0      0            60      0   \n",
-       "..                        ...    ...      ...    ...           ...    ...   \n",
-       "136  2021-03-12t22:05:28.976z      0        0      0             0      0   \n",
-       "137  2021-03-13t23:21:59.069z     13        0      0            28      0   \n",
-       "138  2020-10-07t04:08:01.961z     19        0      0            33      0   \n",
-       "139  2021-02-11t14:40:38.515z      1        0      0             0      0   \n",
-       "140  2021-01-26t14:36:47.421z      1        0      0             2      0   \n",
-       "\n",
-       "    primary_email_domain     other_email_domains  \\\n",
-       "0                    NaN                     NaN   \n",
-       "1                    NaN                     NaN   \n",
-       "2                    NaN                     NaN   \n",
-       "3                    NaN                     NaN   \n",
-       "4                    NaN                     NaN   \n",
-       "..                   ...                     ...   \n",
-       "136                  NaN                     NaN   \n",
-       "137                  NaN                     NaN   \n",
-       "138        alzahra.ac.ir  [gmail.com, gmail.com]   \n",
-       "139                  NaN                     NaN   \n",
-       "140                  NaN                     NaN   \n",
-       "\n",
-       "                                           url_domains  n_emails  n_urls  \\\n",
-       "0    [google.com, ristekdikti.go.id, unsyiah.ac.id,...       NaN    16.0   \n",
-       "1    [blogspot.mx, behance.net, authorstream.com, d...       NaN    24.0   \n",
-       "2    [feriaempresamujer.com, escueladenegociosydire...       NaN    16.0   \n",
-       "3    [google.com.my, researchgate.net, academia.edu...       NaN    16.0   \n",
-       "4    [iscap.pt, google.pt, academia.edu, researchga...       NaN    13.0   \n",
-       "..                                                 ...       ...     ...   \n",
-       "136  [us.es, us.es, us.es, google.es, microsoft.com...       NaN    12.0   \n",
-       "137  [academia.edu, redalyc.org, directorioexit.inf...       NaN    11.0   \n",
-       "138  [scopus.com, google.com, publons.com, zenodo.o...       2.0    11.0   \n",
-       "139  [scopus.com, mendeley.com, publons.com, resear...       NaN    13.0   \n",
-       "140  [facebook.com, linkedin.com, instagram.com, re...       NaN    12.0   \n",
-       "\n",
-       "     n_ids  n_keywords  n_education  n_employment  \n",
-       "0      1.0         NaN          2.0           1.0  \n",
-       "1      1.0         8.0          NaN           NaN  \n",
-       "2      NaN         7.0         19.0          16.0  \n",
-       "3      2.0        10.0          NaN           4.0  \n",
-       "4      1.0         6.0          8.0          37.0  \n",
-       "..     ...         ...          ...           ...  \n",
-       "136    1.0         5.0          5.0           1.0  \n",
-       "137    1.0         6.0          4.0           3.0  \n",
-       "138    1.0         4.0          3.0           4.0  \n",
-       "139    NaN         4.0          3.0           6.0  \n",
-       "140    NaN         1.0          NaN           2.0  \n",
-       "\n",
-       "[141 rows x 30 columns]"
-      ]
-     },
-     "execution_count": 33,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "exploded_sources = df[(df['url_domains'].str.len() > 10) & (df['n_works'] > 0) & (df['works_source'].str.len() == 1)].explode('works_source').reset_index(drop=True)\n",
-    "exploded_sources"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 34,
-   "metadata": {
-    "scrolled": true
-   },
-   "outputs": [
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-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>orcid</th>\n",
-       "      <th>verified_email</th>\n",
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-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>nurul</td>\n",
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-       "      <th>1</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>carlos</td>\n",
-       "      <td>barrera</td>\n",
-       "      <td>im individual inventor, and this is my work; s...</td>\n",
-       "      <td>[retrodynamic, novelinflow]</td>\n",
-       "      <td>NaN</td>\n",
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-       "      <td>[[loop profile, 394457]]</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>1</td>\n",
-       "      <td>carlos barrera</td>\n",
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-       "      <td>2021-02-09t04:56:35.554z</td>\n",
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-       "      <td>1.0</td>\n",
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-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>1</td>\n",
+       "      <td>0000-0002-5441-0465</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>nuria</td>\n",
@@ -10053,7 +10058,7 @@
        "      <td>NaN</td>\n",
        "      <td>[nuria h. león, nuria hernández león, hernánde...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[marketing, research, human resources, busines...</td>\n",
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        "      <td>NaN</td>\n",
        "      <td>[[, course: social skills, university of salam...</td>\n",
        "      <td>[[merchandise reception and expedition trainer...</td>\n",
@@ -10065,7 +10070,7 @@
        "      <td>0</td>\n",
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-       "      <td>0</td>\n",
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        "      <td>NaN</td>\n",
        "      <td>[feriaempresamujer.com, escueladenegociosydire...</td>\n",
@@ -10077,8 +10082,8 @@
        "      <td>16.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>1</td>\n",
+       "      <th>5</th>\n",
+       "      <td>0000-0001-7010-2908</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>clara</td>\n",
@@ -10086,7 +10091,7 @@
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        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[ethnography, tourism and business, anglo-amer...</td>\n",
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        "      <td>[[ciência id, d418-d6f8-7d49]]</td>\n",
        "      <td>[[ao abrigo da bolsa santander ie best practic...</td>\n",
        "      <td>[[presidente da comissão de acreditação do nov...</td>\n",
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@@ -10110,39 +10115,6 @@
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-       "      <th>5</th>\n",
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-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>michele</td>\n",
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        "      <th>...</th>\n",
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@@ -10176,16 +10148,82 @@
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-       "      <th>134</th>\n",
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+       "      <td>0000-0003-1020-1351</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
+       "      <td>sheikh saifullah</td>\n",
+       "      <td>ahmed</td>\n",
+       "      <td>sheikh saifullah ahmed is a full-time lecturer...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>saifullahahmedku@gmail.com</td>\n",
+       "      <td>[post-truth, critical trauma analysis, postmod...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[english discipline , ma &amp; ba in english , kh...</td>\n",
+       "      <td>[[lecturer , international university of busin...</td>\n",
+       "      <td>3</td>\n",
+       "      <td>sheikh saifullah ahmed</td>\n",
+       "      <td>2020-04-08t21:00:11.201z</td>\n",
+       "      <td>2021-02-12t20:45:32.247z</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>3</td>\n",
+       "      <td>0</td>\n",
+       "      <td>gmail.com</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[academia.edu, iubat.edu, google.com, research...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>12.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>134</th>\n",
+       "      <td>0000-0001-7228-5680</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>text</td>\n",
+       "      <td>protocol</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[engineer, textprotocol.org, palo alto, ca, u...</td>\n",
+       "      <td>1</td>\n",
+       "      <td>text protocol</td>\n",
+       "      <td>2021-03-09t10:30:32.237z</td>\n",
+       "      <td>2021-03-21t17:17:40.500z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[about.me, figma.com, github.com, gitlab.com, ...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>15.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>135</th>\n",
+       "      <td>0000-0001-5087-6965</td>\n",
+       "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>robert</td>\n",
        "      <td>ohara</td>\n",
        "      <td>systematics, evolutionary biology, and the his...</td>\n",
        "      <td>[r. o’hara, r.j. o’hara, robert o’hara, robert...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[evolutionary biology, new england genealogy, ...</td>\n",
+       "      <td>[history and philosophy of science, ancient nu...</td>\n",
        "      <td>[[isni, 0000000138200102], [researcherid, b-47...</td>\n",
        "      <td>[[biology, ph.d., harvard university, cambridg...</td>\n",
        "      <td>NaN</td>\n",
@@ -10197,7 +10235,7 @@
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>72</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[rjohara.net, google.com, collegiateway.org, r...</td>\n",
@@ -10209,74 +10247,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>136</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>jesús</td>\n",
-       "      <td>portillo-fernández</td>\n",
-       "      <td>ba in philosophy, ba in humanities, ph.d. in p...</td>\n",
-       "      <td>[jesús portillo fernández, portillo-fernández,...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[absurdo, lingüística, pragmática, filosofía d...</td>\n",
-       "      <td>[[scopus author id, 55229372800]]</td>\n",
-       "      <td>[[, doctor en filología, universidad de sevill...</td>\n",
-       "      <td>[[, grupo de investigación en lógica, lenguaje...</td>\n",
-       "      <td>35</td>\n",
-       "      <td>jesús portillo-fernández</td>\n",
-       "      <td>2015-03-08t20:37:16.590z</td>\n",
-       "      <td>2021-03-12t22:05:28.976z</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[us.es, us.es, us.es, google.es, microsoft.com...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>5.0</td>\n",
-       "      <td>1.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>137</th>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1</td>\n",
-       "      <td>ángel</td>\n",
-       "      <td>carrión-tavárez</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[ángel carrión tavárez, á carrión tavárez, ác ...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[editing and publishing, sociomusicology, geog...</td>\n",
-       "      <td>[[loop profile, 687295]]</td>\n",
-       "      <td>[[integration and economic and territorial dev...</td>\n",
-       "      <td>[[director, university of puerto rico at río p...</td>\n",
-       "      <td>132</td>\n",
-       "      <td>ángel carrión-tavárez</td>\n",
-       "      <td>2017-12-30t19:25:41.566z</td>\n",
-       "      <td>2021-03-13t23:21:59.069z</td>\n",
-       "      <td>13</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>28</td>\n",
-       "      <td>0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>[academia.edu, redalyc.org, directorioexit.inf...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>11.0</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td>6.0</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>3.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>139</th>\n",
-       "      <td>1</td>\n",
+       "      <th>138</th>\n",
+       "      <td>0000-0002-4379-6454</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>caroline wanjiru</td>\n",
@@ -10284,7 +10256,7 @@
        "      <td>caroline holds a phd in economics from curtin ...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[applied economics, financial economics, appli...</td>\n",
+       "      <td>[applied economics, applied econometrics, deve...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[[economics, doctor of philosophy , curtin uni...</td>\n",
        "      <td>[[director, educational development, strathmor...</td>\n",
@@ -10308,8 +10280,8 @@
        "      <td>6.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>140</th>\n",
-       "      <td>1</td>\n",
+       "      <th>139</th>\n",
+       "      <td>0000-0003-2311-0600</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>myo</td>\n",
@@ -10342,170 +10314,196 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>115 rows × 30 columns</p>\n",
+       "<p>113 rows × 30 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "     orcid  verified_email  verified_primary_email       given_names  \\\n",
-       "0        1               1                       1             nurul   \n",
-       "1        1               1                       1            carlos   \n",
-       "2        1               1                       1             nuria   \n",
-       "4        1               1                       1             clara   \n",
-       "5        1               1                       1           michele   \n",
-       "..     ...             ...                     ...               ...   \n",
-       "134      1               1                       1            robert   \n",
-       "136      1               1                       1             jesús   \n",
-       "137      1               1                       1             ángel   \n",
-       "139      1               1                       1  caroline wanjiru   \n",
-       "140      1               1                       1               myo   \n",
+       "                   orcid  verified_email  verified_primary_email  \\\n",
+       "0    0000-0002-5967-2835               1                       1   \n",
+       "1    0000-0002-3505-2797               1                       1   \n",
+       "2    0000-0003-3670-9620               1                       1   \n",
+       "3    0000-0002-5441-0465               1                       1   \n",
+       "5    0000-0001-7010-2908               1                       1   \n",
+       "..                   ...             ...                     ...   \n",
+       "133  0000-0003-1020-1351               1                       1   \n",
+       "134  0000-0001-7228-5680               1                       1   \n",
+       "135  0000-0001-5087-6965               1                       1   \n",
+       "138  0000-0002-4379-6454               1                       1   \n",
+       "139  0000-0003-2311-0600               1                       1   \n",
        "\n",
-       "            family_name                                          biography  \\\n",
-       "0            malahayati                                     google scholar   \n",
-       "1               barrera  im individual inventor, and this is my work; s...   \n",
-       "2        hernández-león                                                NaN   \n",
-       "4              sarmento  clara sarmento holds an aggregation in cultura...   \n",
-       "5               dantini  michele dantini (ph. d) is professor of histor...   \n",
-       "..                  ...                                                ...   \n",
-       "134               ohara  systematics, evolutionary biology, and the his...   \n",
-       "136  portillo-fernández  ba in philosophy, ba in humanities, ph.d. in p...   \n",
-       "137     carrión-tavárez                                                NaN   \n",
-       "139             kariuki  caroline holds a phd in economics from curtin ...   \n",
-       "140         kyaw hlaing                                                NaN   \n",
+       "          given_names     family_name  \\\n",
+       "0             oleksiy      goryayinov   \n",
+       "1               nurul      malahayati   \n",
+       "2              carlos         barrera   \n",
+       "3               nuria  hernández-león   \n",
+       "5               clara        sarmento   \n",
+       "..                ...             ...   \n",
+       "133  sheikh saifullah           ahmed   \n",
+       "134              text        protocol   \n",
+       "135            robert           ohara   \n",
+       "138  caroline wanjiru         kariuki   \n",
+       "139               myo     kyaw hlaing   \n",
        "\n",
-       "                                           other_names primary_email  \\\n",
-       "0                                                  NaN           NaN   \n",
-       "1                          [retrodynamic, novelinflow]           NaN   \n",
-       "2    [nuria h. león, nuria hernández león, hernánde...           NaN   \n",
-       "4                                                  NaN           NaN   \n",
-       "5                                                  NaN           NaN   \n",
-       "..                                                 ...           ...   \n",
-       "134  [r. o’hara, r.j. o’hara, robert o’hara, robert...           NaN   \n",
-       "136  [jesús portillo fernández, portillo-fernández,...           NaN   \n",
-       "137  [ángel carrión tavárez, á carrión tavárez, ác ...           NaN   \n",
-       "139                                                NaN           NaN   \n",
-       "140                               [dr myo kyaw hlaing]           NaN   \n",
+       "                                             biography  \\\n",
+       "0                                                  NaN   \n",
+       "1                                       google scholar   \n",
+       "2    im individual inventor, and this is my work; s...   \n",
+       "3                                                  NaN   \n",
+       "5    clara sarmento holds an aggregation in cultura...   \n",
+       "..                                                 ...   \n",
+       "133  sheikh saifullah ahmed is a full-time lecturer...   \n",
+       "134                                                NaN   \n",
+       "135  systematics, evolutionary biology, and the his...   \n",
+       "138  caroline holds a phd in economics from curtin ...   \n",
+       "139                                                NaN   \n",
+       "\n",
+       "                                           other_names  \\\n",
+       "0    [алексей николаевич горяинов, о.м.горяїнов, а....   \n",
+       "1                                                  NaN   \n",
+       "2                          [retrodynamic, novelinflow]   \n",
+       "3    [nuria h. león, nuria hernández león, hernánde...   \n",
+       "5                                                  NaN   \n",
+       "..                                                 ...   \n",
+       "133                                                NaN   \n",
+       "134                                                NaN   \n",
+       "135  [r. o’hara, r.j. o’hara, robert o’hara, robert...   \n",
+       "138                                                NaN   \n",
+       "139                               [dr myo kyaw hlaing]   \n",
+       "\n",
+       "                  primary_email  \\\n",
+       "0                           NaN   \n",
+       "1                           NaN   \n",
+       "2                           NaN   \n",
+       "3                           NaN   \n",
+       "5                           NaN   \n",
+       "..                          ...   \n",
+       "133  saifullahahmedku@gmail.com   \n",
+       "134                         NaN   \n",
+       "135                         NaN   \n",
+       "138                         NaN   \n",
+       "139                         NaN   \n",
        "\n",
        "                                              keywords  \\\n",
-       "0                                                  NaN   \n",
-       "1    [gearturbine, mechanical, power, innovation, t...   \n",
-       "2    [marketing, research, human resources, busines...   \n",
-       "4    [ethnography, tourism and business, anglo-amer...   \n",
-       "5    [contemporary art, art theory, postcolonial, h...   \n",
+       "0                  [diagnostics, transport, logistics]   \n",
+       "1                                                  NaN   \n",
+       "2    [imploturbocompressor, innovation, gearturbine...   \n",
+       "3    [business management, research, human resource...   \n",
+       "5    [feminist and gender studies, tourism and busi...   \n",
        "..                                                 ...   \n",
-       "134  [evolutionary biology, new england genealogy, ...   \n",
-       "136  [absurdo, lingüística, pragmática, filosofía d...   \n",
-       "137  [editing and publishing, sociomusicology, geog...   \n",
-       "139  [applied economics, financial economics, appli...   \n",
-       "140                                 [economic geology]   \n",
+       "133  [post-truth, critical trauma analysis, postmod...   \n",
+       "134                                                NaN   \n",
+       "135  [history and philosophy of science, ancient nu...   \n",
+       "138  [applied economics, applied econometrics, deve...   \n",
+       "139                                 [economic geology]   \n",
        "\n",
        "                                          external_ids  \\\n",
-       "0                        [[researcherid, q-3861-2017]]   \n",
-       "1                             [[loop profile, 394457]]   \n",
-       "2                                                  NaN   \n",
-       "4                       [[ciência id, d418-d6f8-7d49]]   \n",
-       "5                                                  NaN   \n",
+       "0                        [[researcherid, i-7977-2016]]   \n",
+       "1                        [[researcherid, q-3861-2017]]   \n",
+       "2                             [[loop profile, 394457]]   \n",
+       "3                                                  NaN   \n",
+       "5                       [[ciência id, d418-d6f8-7d49]]   \n",
        "..                                                 ...   \n",
-       "134  [[isni, 0000000138200102], [researcherid, b-47...   \n",
-       "136                  [[scopus author id, 55229372800]]   \n",
-       "137                           [[loop profile, 687295]]   \n",
+       "133                                                NaN   \n",
+       "134                                                NaN   \n",
+       "135  [[isni, 0000000138200102], [researcherid, b-47...   \n",
+       "138                                                NaN   \n",
        "139                                                NaN   \n",
-       "140                                                NaN   \n",
        "\n",
        "                                             education  \\\n",
-       "0    [[civil and transportation engineering , maste...   \n",
-       "1                                                  NaN   \n",
-       "2    [[, course: social skills, university of salam...   \n",
-       "4    [[ao abrigo da bolsa santander ie best practic...   \n",
-       "5                                                  NaN   \n",
+       "0    [[, дистанционный курс «ctl.sc2x: supply chain...   \n",
+       "1    [[civil and transportation engineering , maste...   \n",
+       "2                                                  NaN   \n",
+       "3    [[, course: social skills, university of salam...   \n",
+       "5    [[ao abrigo da bolsa santander ie best practic...   \n",
        "..                                                 ...   \n",
-       "134  [[biology, ph.d., harvard university, cambridg...   \n",
-       "136  [[, doctor en filología, universidad de sevill...   \n",
-       "137  [[integration and economic and territorial dev...   \n",
-       "139  [[economics, doctor of philosophy , curtin uni...   \n",
-       "140                                                NaN   \n",
+       "133  [[english discipline , ma & ba in english , kh...   \n",
+       "134                                                NaN   \n",
+       "135  [[biology, ph.d., harvard university, cambridg...   \n",
+       "138  [[economics, doctor of philosophy , curtin uni...   \n",
+       "139                                                NaN   \n",
        "\n",
        "                                            employment  n_works  \\\n",
-       "0    [[senior lecturer, universitas syiah kuala, ba...        6   \n",
-       "1                                                  NaN        1   \n",
-       "2    [[merchandise reception and expedition trainer...       11   \n",
-       "4    [[presidente da comissão de acreditação do nov...      275   \n",
-       "5    [[, università per stranieri di perugia, perug...        6   \n",
+       "0    [[docent, kharkiv petro vasylenko national tec...      274   \n",
+       "1    [[senior lecturer, universitas syiah kuala, ba...        6   \n",
+       "2                                                  NaN        1   \n",
+       "3    [[merchandise reception and expedition trainer...       11   \n",
+       "5    [[presidente da comissão de acreditação do nov...      275   \n",
        "..                                                 ...      ...   \n",
-       "134                                                NaN       45   \n",
-       "136  [[, grupo de investigación en lógica, lenguaje...       35   \n",
-       "137  [[director, university of puerto rico at río p...      132   \n",
-       "139  [[director, educational development, strathmor...        4   \n",
-       "140  [[lecturer, union of myanmar ministry of educa...        2   \n",
+       "133  [[lecturer , international university of busin...        3   \n",
+       "134  [[engineer, textprotocol.org, palo alto, ca, u...        1   \n",
+       "135                                                NaN       45   \n",
+       "138  [[director, educational development, strathmor...        4   \n",
+       "139  [[lecturer, union of myanmar ministry of educa...        2   \n",
        "\n",
        "                 works_source           activation_date  \\\n",
-       "0            nurul malahayati  2017-10-01t00:46:31.324z   \n",
-       "1              carlos barrera  2016-08-29t20:32:10.362z   \n",
-       "2        nuria hernández-león  2015-11-28t07:18:58.442z   \n",
-       "4              clara sarmento  2013-12-12t00:33:58.190z   \n",
-       "5             michele dantini  2014-02-22t17:01:43.444z   \n",
+       "0          oleksiy goryayinov  2014-08-03t18:06:42.925z   \n",
+       "1            nurul malahayati  2017-10-01t00:46:31.324z   \n",
+       "2              carlos barrera  2016-08-29t20:32:10.362z   \n",
+       "3        nuria hernández-león  2015-11-28t07:18:58.442z   \n",
+       "5              clara sarmento  2013-12-12t00:33:58.190z   \n",
        "..                        ...                       ...   \n",
-       "134          robert j. o’hara  2014-09-21t02:45:19.620z   \n",
-       "136  jesús portillo-fernández  2015-03-08t20:37:16.590z   \n",
-       "137     ángel carrión-tavárez  2017-12-30t19:25:41.566z   \n",
-       "139  caroline wanjiru kariuki  2020-03-18t10:18:04.007z   \n",
-       "140           myo kyaw hlaing  2018-12-26t12:51:57.801z   \n",
+       "133    sheikh saifullah ahmed  2020-04-08t21:00:11.201z   \n",
+       "134             text protocol  2021-03-09t10:30:32.237z   \n",
+       "135          robert j. o’hara  2014-09-21t02:45:19.620z   \n",
+       "138  caroline wanjiru kariuki  2020-03-18t10:18:04.007z   \n",
+       "139           myo kyaw hlaing  2018-12-26t12:51:57.801z   \n",
        "\n",
        "             last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0    2019-08-19t15:52:47.253z      3        0      0             3      0   \n",
-       "1    2021-02-09t04:56:35.554z      0        0      0             0      0   \n",
-       "2    2021-03-05t16:37:47.403z      1        0      0             4      0   \n",
-       "4    2020-10-12t14:43:00.749z     17        0      0            60      0   \n",
-       "5    2019-11-25t20:21:04.714z      0        0      0             0      0   \n",
+       "0    2021-03-22t13:56:48.311z      0        0      0             0      1   \n",
+       "1    2019-08-19t15:52:47.253z      3        0      0             3      1   \n",
+       "2    2021-02-09t04:56:35.554z      0        0      0             0      1   \n",
+       "3    2021-03-05t16:37:47.403z      1        0      0             4      1   \n",
+       "5    2020-10-12t14:43:00.749z     17        0      0            60      1   \n",
        "..                        ...    ...      ...    ...           ...    ...   \n",
-       "134  2020-07-09t06:51:09.228z     23        0      0            72      0   \n",
-       "136  2021-03-12t22:05:28.976z      0        0      0             0      0   \n",
-       "137  2021-03-13t23:21:59.069z     13        0      0            28      0   \n",
-       "139  2021-02-11t14:40:38.515z      1        0      0             0      0   \n",
-       "140  2021-01-26t14:36:47.421z      1        0      0             2      0   \n",
+       "133  2021-02-12t20:45:32.247z      2        0      0             3      0   \n",
+       "134  2021-03-21t17:17:40.500z      0        0      0             0      0   \n",
+       "135  2020-07-09t06:51:09.228z     23        0      0            72      1   \n",
+       "138  2021-02-11t14:40:38.515z      1        0      0             0      0   \n",
+       "139  2021-01-26t14:36:47.421z      1        0      0             2      0   \n",
        "\n",
        "    primary_email_domain other_email_domains  \\\n",
        "0                    NaN                 NaN   \n",
        "1                    NaN                 NaN   \n",
        "2                    NaN                 NaN   \n",
-       "4                    NaN                 NaN   \n",
+       "3                    NaN                 NaN   \n",
        "5                    NaN                 NaN   \n",
        "..                   ...                 ...   \n",
+       "133            gmail.com                 NaN   \n",
        "134                  NaN                 NaN   \n",
-       "136                  NaN                 NaN   \n",
-       "137                  NaN                 NaN   \n",
+       "135                  NaN                 NaN   \n",
+       "138                  NaN                 NaN   \n",
        "139                  NaN                 NaN   \n",
-       "140                  NaN                 NaN   \n",
        "\n",
        "                                           url_domains  n_emails  n_urls  \\\n",
-       "0    [google.com, ristekdikti.go.id, unsyiah.ac.id,...       NaN    16.0   \n",
-       "1    [blogspot.mx, behance.net, authorstream.com, d...       NaN    24.0   \n",
-       "2    [feriaempresamujer.com, escueladenegociosydire...       NaN    16.0   \n",
-       "4    [iscap.pt, google.pt, academia.edu, researchga...       NaN    13.0   \n",
-       "5    [unipmn.it, huffingtonpost.it, roars.it, doppi...       NaN    15.0   \n",
+       "0    [khntusg.com.ua, khntusg.com.ua, google.com.ua...       NaN    13.0   \n",
+       "1    [google.com, ristekdikti.go.id, unsyiah.ac.id,...       NaN    16.0   \n",
+       "2    [blogspot.mx, behance.net, authorstream.com, d...       NaN    24.0   \n",
+       "3    [feriaempresamujer.com, escueladenegociosydire...       NaN    16.0   \n",
+       "5    [iscap.pt, google.pt, academia.edu, researchga...       NaN    13.0   \n",
        "..                                                 ...       ...     ...   \n",
-       "134  [rjohara.net, google.com, collegiateway.org, r...       NaN    12.0   \n",
-       "136  [us.es, us.es, us.es, google.es, microsoft.com...       NaN    12.0   \n",
-       "137  [academia.edu, redalyc.org, directorioexit.inf...       NaN    11.0   \n",
-       "139  [scopus.com, mendeley.com, publons.com, resear...       NaN    13.0   \n",
-       "140  [facebook.com, linkedin.com, instagram.com, re...       NaN    12.0   \n",
+       "133  [academia.edu, iubat.edu, google.com, research...       NaN    12.0   \n",
+       "134  [about.me, figma.com, github.com, gitlab.com, ...       NaN    15.0   \n",
+       "135  [rjohara.net, google.com, collegiateway.org, r...       NaN    12.0   \n",
+       "138  [scopus.com, mendeley.com, publons.com, resear...       NaN    13.0   \n",
+       "139  [facebook.com, linkedin.com, instagram.com, re...       NaN    12.0   \n",
        "\n",
        "     n_ids  n_keywords  n_education  n_employment  \n",
-       "0      1.0         NaN          2.0           1.0  \n",
-       "1      1.0         8.0          NaN           NaN  \n",
-       "2      NaN         7.0         19.0          16.0  \n",
-       "4      1.0         6.0          8.0          37.0  \n",
-       "5      NaN         6.0          NaN           1.0  \n",
+       "0      1.0         3.0         14.0           7.0  \n",
+       "1      1.0         NaN          2.0           1.0  \n",
+       "2      1.0         8.0          NaN           NaN  \n",
+       "3      NaN         7.0         19.0          16.0  \n",
+       "5      1.0         6.0          8.0          37.0  \n",
        "..     ...         ...          ...           ...  \n",
-       "134    3.0         5.0          1.0           NaN  \n",
-       "136    1.0         5.0          5.0           1.0  \n",
-       "137    1.0         6.0          4.0           3.0  \n",
-       "139    NaN         4.0          3.0           6.0  \n",
-       "140    NaN         1.0          NaN           2.0  \n",
+       "133    NaN         5.0          1.0           1.0  \n",
+       "134    NaN         NaN          NaN           1.0  \n",
+       "135    3.0         5.0          1.0           NaN  \n",
+       "138    NaN         4.0          3.0           6.0  \n",
+       "139    NaN         1.0          NaN           2.0  \n",
        "\n",
-       "[115 rows x 30 columns]"
+       "[113 rows x 30 columns]"
       ]
      },
-     "execution_count": 34,
+     "execution_count": 32,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -10544,15 +10542,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "count    1.301959e+06\n",
-       "mean     1.358640e+00\n",
-       "std      6.635087e-01\n",
+       "count    1.308598e+06\n",
+       "mean     1.359082e+00\n",
+       "std      6.643235e-01\n",
        "min      1.000000e+00\n",
        "25%      1.000000e+00\n",
        "50%      1.000000e+00\n",
@@ -10561,7 +10559,7 @@
        "Name: n_ids, dtype: float64"
       ]
      },
-     "execution_count": 35,
+     "execution_count": 33,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -10572,7 +10570,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [
     {
@@ -10630,8 +10628,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-9554-6633</th>\n",
-       "      <td>1</td>\n",
+       "      <th>3896226</th>\n",
+       "      <td>0000-0002-9554-6633</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>john a</td>\n",
@@ -10646,12 +10644,12 @@
        "      <td>92</td>\n",
        "      <td>[aston research explorer]</td>\n",
        "      <td>2014-11-20t09:42:10.690z</td>\n",
-       "      <td>2021-03-12t01:00:39.996z</td>\n",
+       "      <td>2021-03-17t01:00:51.203z</td>\n",
        "      <td>80</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>208</td>\n",
-       "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>[aston.ac.uk]</td>\n",
@@ -10667,44 +10665,32 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-9554-6633      1               1                       1   \n",
+       "                       orcid  verified_email  verified_primary_email  \\\n",
+       "3896226  0000-0002-9554-6633               1                       1   \n",
        "\n",
-       "                    given_names family_name biography other_names  \\\n",
-       "0000-0002-9554-6633      john a    williams       NaN         NaN   \n",
+       "        given_names family_name biography other_names primary_email keywords  \\\n",
+       "3896226      john a    williams       NaN         NaN           NaN      NaN   \n",
        "\n",
-       "                    primary_email keywords  \\\n",
-       "0000-0002-9554-6633           NaN      NaN   \n",
+       "                                              external_ids education  \\\n",
+       "3896226  [[scopus author id,  55553733518], [scopus aut...       NaN   \n",
        "\n",
-       "                                                          external_ids  \\\n",
-       "0000-0002-9554-6633  [[scopus author id,  55553733518], [scopus aut...   \n",
+       "                                                employment  n_works  \\\n",
+       "3896226  [[, aston university, birmingham, , gb, 1722, ...       92   \n",
        "\n",
-       "                    education  \\\n",
-       "0000-0002-9554-6633       NaN   \n",
+       "                      works_source           activation_date  \\\n",
+       "3896226  [aston research explorer]  2014-11-20t09:42:10.690z   \n",
        "\n",
-       "                                                            employment  \\\n",
-       "0000-0002-9554-6633  [[, aston university, birmingham, , gb, 1722, ...   \n",
+       "                 last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
+       "3896226  2021-03-17t01:00:51.203z     80        0      0           208      1   \n",
        "\n",
-       "                     n_works               works_source  \\\n",
-       "0000-0002-9554-6633       92  [aston research explorer]   \n",
+       "        primary_email_domain other_email_domains    url_domains  n_emails  \\\n",
+       "3896226                  NaN                 NaN  [aston.ac.uk]       NaN   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-9554-6633  2014-11-20t09:42:10.690z  2021-03-12t01:00:39.996z   \n",
-       "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-9554-6633     80        0      0           208      0   \n",
-       "\n",
-       "                    primary_email_domain other_email_domains    url_domains  \\\n",
-       "0000-0002-9554-6633                  NaN                 NaN  [aston.ac.uk]   \n",
-       "\n",
-       "                     n_emails  n_urls  n_ids  n_keywords  n_education  \\\n",
-       "0000-0002-9554-6633       NaN     1.0   80.0         NaN          NaN   \n",
-       "\n",
-       "                     n_employment  \n",
-       "0000-0002-9554-6633           1.0  "
+       "         n_urls  n_ids  n_keywords  n_education  n_employment  \n",
+       "3896226     1.0   80.0         NaN          NaN           1.0  "
       ]
      },
-     "execution_count": 36,
+     "execution_count": 34,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -10715,7 +10701,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 35,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -10724,7 +10710,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -10733,7 +10719,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 37,
    "metadata": {},
    "outputs": [
     {
@@ -10765,31 +10751,31 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>9</th>\n",
-       "      <td>1</td>\n",
+       "      <td>0000-0001-8315-2066</td>\n",
        "      <td>[researcherid, k-4630-2014]</td>\n",
        "      <td>researcherid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>29</th>\n",
-       "      <td>1</td>\n",
+       "      <td>0000-0002-2638-4108</td>\n",
        "      <td>[scopus author id, 54394231000]</td>\n",
        "      <td>scopus author id</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>47</th>\n",
-       "      <td>1</td>\n",
+       "      <th>46</th>\n",
+       "      <td>0000-0003-1435-6545</td>\n",
        "      <td>[researcherid, p-2223-2018]</td>\n",
        "      <td>researcherid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>51</th>\n",
-       "      <td>1</td>\n",
+       "      <th>50</th>\n",
+       "      <td>0000-0003-2259-7023</td>\n",
        "      <td>[scopus author id, 57189297461]</td>\n",
        "      <td>scopus author id</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>65</th>\n",
-       "      <td>1</td>\n",
+       "      <th>64</th>\n",
+       "      <td>0000-0002-7397-5824</td>\n",
        "      <td>[scopus author id, 8399842800]</td>\n",
        "      <td>scopus author id</td>\n",
        "    </tr>\n",
@@ -10798,15 +10784,15 @@
        "</div>"
       ],
       "text/plain": [
-       "    orcid                     external_ids          provider\n",
-       "9       1      [researcherid, k-4630-2014]      researcherid\n",
-       "29      1  [scopus author id, 54394231000]  scopus author id\n",
-       "47      1      [researcherid, p-2223-2018]      researcherid\n",
-       "51      1  [scopus author id, 57189297461]  scopus author id\n",
-       "65      1   [scopus author id, 8399842800]  scopus author id"
+       "                  orcid                     external_ids          provider\n",
+       "9   0000-0001-8315-2066      [researcherid, k-4630-2014]      researcherid\n",
+       "29  0000-0002-2638-4108  [scopus author id, 54394231000]  scopus author id\n",
+       "46  0000-0003-1435-6545      [researcherid, p-2223-2018]      researcherid\n",
+       "50  0000-0003-2259-7023  [scopus author id, 57189297461]  scopus author id\n",
+       "64  0000-0002-7397-5824   [scopus author id, 8399842800]  scopus author id"
       ]
      },
-     "execution_count": 39,
+     "execution_count": 37,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -10817,7 +10803,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": 38,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -10826,7 +10812,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [
     {
@@ -10846,8 +10832,8 @@
           "loop profile",
           "ciência id",
           "researcher name resolver id",
-          "中国科学家在线",
           "sciprofile",
+          "中国科学家在线",
           "isni",
           "gnd",
           "pitt id",
@@ -10890,32 +10876,32 @@
           "custom"
          ],
          "y": [
-          1030807,
-          544825,
-          117325,
-          36666,
-          7907,
-          4804,
-          4411,
-          3075,
-          2954,
-          2674,
+          1037239,
+          545399,
+          118645,
+          37042,
+          7954,
+          5164,
+          4811,
+          3089,
+          2999,
+          2679,
           2483,
-          1445,
-          1168,
-          1124,
+          1452,
+          1169,
+          1126,
           1077,
-          869,
+          878,
           741,
           646,
-          581,
-          548,
-          522,
+          582,
+          547,
+          523,
           430,
-          254,
+          256,
           212,
-          200,
-          177,
+          201,
+          180,
           175,
           155,
           146,
@@ -11759,9 +11745,9 @@
        }
       },
       "text/html": [
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        "                            \n",
-       "var gd = document.getElementById('d679749a-90a3-426f-904b-e0d9169dce75');\n",
+       "var gd = document.getElementById('bdb9149e-1b37-423a-8f6e-cde0478ea023');\n",
        "var x = new MutationObserver(function (mutations, observer) {{\n",
        "        var display = window.getComputedStyle(gd).display;\n",
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@@ -11808,7 +11794,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 40,
    "metadata": {},
    "outputs": [
     {
@@ -11819,17 +11805,17 @@
        "       'id dialnet', 'isni', 'technical university of denmark cwis',\n",
        "       'chalmers id', 'scopus author id: ', 'scopus author id:',\n",
        "       'hkust profile', 'hku researcherpage', '中国科学家在线', 'uow scholars',\n",
-       "       'digital author id', 'sciprofile', 'digital author id (dai)',\n",
-       "       'cti vitae', 'researcher id', 'authid', 'authenticusid',\n",
-       "       'vivo cornell', 'us epa vivo', 'escientist',\n",
-       "       'smithsonian profiles', 'authenticus', 'github', 'iauthor',\n",
-       "       'orcid id', 'dai', 'scopus id', 'scopus  id', 'google scholar',\n",
-       "       'researcherid:', 'kaken', 'dialnet id', 'researcherid: ',\n",
-       "       'une researcher id', 'sciprofiles', 'id dialnet:', 'scienceopen',\n",
-       "       'orcid', 'profile system identifier', 'custom'], dtype=object)"
+       "       'sciprofile', 'cti vitae', 'digital author id', 'researcher id',\n",
+       "       'authenticusid', 'authid', 'authenticus', 'scopus  id',\n",
+       "       'digital author id (dai)', 'researcherid:', 'vivo cornell',\n",
+       "       'us epa vivo', 'escientist', 'github', 'iauthor', 'orcid id',\n",
+       "       'dai', 'scopus id', 'smithsonian profiles', 'google scholar',\n",
+       "       'kaken', 'dialnet id', 'researcherid: ', 'une researcher id',\n",
+       "       'sciprofiles', 'id dialnet:', 'scienceopen', 'orcid',\n",
+       "       'profile system identifier', 'custom'], dtype=object)"
       ]
      },
-     "execution_count": 42,
+     "execution_count": 40,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -11854,7 +11840,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 43,
+   "execution_count": 41,
    "metadata": {},
    "outputs": [
     {
@@ -11884,28 +11870,28 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-0673-0341</th>\n",
-       "      <td>1</td>\n",
+       "      <th>3751714</th>\n",
+       "      <td>0000-0002-0673-0341</td>\n",
        "      <td>154.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-3343-5660</th>\n",
-       "      <td>1</td>\n",
+       "      <th>8697926</th>\n",
+       "      <td>0000-0003-3343-5660</td>\n",
        "      <td>148.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7060-4112</th>\n",
-       "      <td>1</td>\n",
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        "      <td>140.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6075-3501</th>\n",
-       "      <td>1</td>\n",
+       "      <th>6512971</th>\n",
+       "      <td>0000-0002-7060-4112</td>\n",
        "      <td>140.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-5287-1949</th>\n",
-       "      <td>1</td>\n",
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        "      <td>132.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -11914,53 +11900,53 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1686-1935</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989644</th>\n",
+       "      <td>0000-0002-1686-1935</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-3800-6331</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989645</th>\n",
+       "      <td>0000-0002-3800-6331</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8783-5814</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989646</th>\n",
+       "      <td>0000-0002-8783-5814</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7584-2283</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10989647</th>\n",
+       "      <td>0000-0002-7584-2283</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0529-3538</th>\n",
-       "      <td>1</td>\n",
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+       "      <td>0000-0003-0529-3538</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>10916574 rows × 2 columns</p>\n",
+       "<p>10989649 rows × 2 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  n_keywords\n",
-       "0000-0002-0673-0341      1       154.0\n",
-       "0000-0003-3343-5660      1       148.0\n",
-       "0000-0002-7060-4112      1       140.0\n",
-       "0000-0002-6075-3501      1       140.0\n",
-       "0000-0001-5287-1949      1       132.0\n",
-       "...                    ...         ...\n",
-       "0000-0002-1686-1935      1         NaN\n",
-       "0000-0002-3800-6331      1         NaN\n",
-       "0000-0002-8783-5814      1         NaN\n",
-       "0000-0002-7584-2283      1         NaN\n",
-       "0000-0003-0529-3538      1         NaN\n",
+       "                        orcid  n_keywords\n",
+       "3751714   0000-0002-0673-0341       154.0\n",
+       "8697926   0000-0003-3343-5660       148.0\n",
+       "1154523   0000-0002-6075-3501       140.0\n",
+       "6512971   0000-0002-7060-4112       140.0\n",
+       "1515197   0000-0001-5287-1949       132.0\n",
+       "...                       ...         ...\n",
+       "10989644  0000-0002-1686-1935         NaN\n",
+       "10989645  0000-0002-3800-6331         NaN\n",
+       "10989646  0000-0002-8783-5814         NaN\n",
+       "10989647  0000-0002-7584-2283         NaN\n",
+       "10989648  0000-0003-0529-3538         NaN\n",
        "\n",
-       "[10916574 rows x 2 columns]"
+       "[10989649 rows x 2 columns]"
       ]
      },
-     "execution_count": 43,
+     "execution_count": 41,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -11972,7 +11958,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 44,
+   "execution_count": 42,
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   {
    "cell_type": "code",
-   "execution_count": 47,
+   "execution_count": 45,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14113,7 +14099,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 48,
+   "execution_count": 46,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14150,7 +14136,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 49,
+   "execution_count": 47,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14159,20 +14145,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 50,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "count                                                348649\n",
-       "unique                                               332523\n",
+       "count                                                354015\n",
+       "unique                                               337007\n",
        "top       car title loans are a more straightforward way...\n",
        "freq                                                    343\n",
        "Name: biography, dtype: object"
       ]
      },
-     "execution_count": 50,
+     "execution_count": 48,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -14183,7 +14169,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 51,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [
     {
@@ -14241,8 +14227,8 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7397-7977</th>\n",
-       "      <td>1</td>\n",
+       "      <th>51306</th>\n",
+       "      <td>0000-0002-7397-7977</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14274,8 +14260,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-4931-9736</th>\n",
-       "      <td>1</td>\n",
+       "      <th>51307</th>\n",
+       "      <td>0000-0003-4931-9736</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14307,8 +14293,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-8221-2303</th>\n",
-       "      <td>1</td>\n",
+       "      <th>106024</th>\n",
+       "      <td>0000-0001-8221-2303</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14340,8 +14326,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-6736-072X</th>\n",
-       "      <td>1</td>\n",
+       "      <th>108770</th>\n",
+       "      <td>0000-0001-6736-072X</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14373,8 +14359,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8727-1246</th>\n",
-       "      <td>1</td>\n",
+       "      <th>108771</th>\n",
+       "      <td>0000-0002-8727-1246</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14382,7 +14368,7 @@
        "      <td>car title loans are a more straightforward way...</td>\n",
        "      <td>[loan agency]</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>[car title loan online, car title loan north o...</td>\n",
+       "      <td>[title loan on car, car title loan online, ref...</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -14439,8 +14425,8 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-9640-8136</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10875416</th>\n",
+       "      <td>0000-0002-9640-8136</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14472,8 +14458,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6926-3752</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10878239</th>\n",
+       "      <td>0000-0002-6926-3752</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14505,8 +14491,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-3655-4713</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10933380</th>\n",
+       "      <td>0000-0002-3655-4713</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14538,8 +14524,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8724-1020</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10933381</th>\n",
+       "      <td>0000-0002-8724-1020</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14571,8 +14557,8 @@
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-4601-4569</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10985986</th>\n",
+       "      <td>0000-0002-4601-4569</td>\n",
        "      <td>1</td>\n",
        "      <td>1</td>\n",
        "      <td>premium car</td>\n",
@@ -14609,153 +14595,140 @@
        "</div>"
       ],
       "text/plain": [
-       "                     orcid  verified_email  verified_primary_email  \\\n",
-       "0000-0002-7397-7977      1               1                       1   \n",
-       "0000-0003-4931-9736      1               1                       1   \n",
-       "0000-0001-8221-2303      1               1                       1   \n",
-       "0000-0001-6736-072X      1               1                       1   \n",
-       "0000-0002-8727-1246      1               1                       1   \n",
-       "...                    ...             ...                     ...   \n",
-       "0000-0002-9640-8136      1               1                       1   \n",
-       "0000-0002-6926-3752      1               1                       1   \n",
-       "0000-0002-3655-4713      1               1                       1   \n",
-       "0000-0002-8724-1020      1               1                       1   \n",
-       "0000-0002-4601-4569      1               1                       1   \n",
+       "                        orcid  verified_email  verified_primary_email  \\\n",
+       "51306     0000-0002-7397-7977               1                       1   \n",
+       "51307     0000-0003-4931-9736               1                       1   \n",
+       "106024    0000-0001-8221-2303               1                       1   \n",
+       "108770    0000-0001-6736-072X               1                       1   \n",
+       "108771    0000-0002-8727-1246               1                       1   \n",
+       "...                       ...             ...                     ...   \n",
+       "10875416  0000-0002-9640-8136               1                       1   \n",
+       "10878239  0000-0002-6926-3752               1                       1   \n",
+       "10933380  0000-0002-3655-4713               1                       1   \n",
+       "10933381  0000-0002-8724-1020               1                       1   \n",
+       "10985986  0000-0002-4601-4569               1                       1   \n",
        "\n",
-       "                      given_names   family_name  \\\n",
-       "0000-0002-7397-7977   premium car   title loans   \n",
-       "0000-0003-4931-9736   premium car   title loans   \n",
-       "0000-0001-8221-2303   premium car   title loans   \n",
-       "0000-0001-6736-072X  premium car    title loans   \n",
-       "0000-0002-8727-1246   premium car   title loans   \n",
-       "...                           ...           ...   \n",
-       "0000-0002-9640-8136   premium car   title loans   \n",
-       "0000-0002-6926-3752   premium car   title loans   \n",
-       "0000-0002-3655-4713   premium car   title loans   \n",
-       "0000-0002-8724-1020   premium car   title loans   \n",
-       "0000-0002-4601-4569   premium car   title loans   \n",
+       "           given_names   family_name  \\\n",
+       "51306      premium car   title loans   \n",
+       "51307      premium car   title loans   \n",
+       "106024     premium car   title loans   \n",
+       "108770    premium car    title loans   \n",
+       "108771     premium car   title loans   \n",
+       "...                ...           ...   \n",
+       "10875416   premium car   title loans   \n",
+       "10878239   premium car   title loans   \n",
+       "10933380   premium car   title loans   \n",
+       "10933381   premium car   title loans   \n",
+       "10985986   premium car   title loans   \n",
        "\n",
-       "                                                             biography  \\\n",
-       "0000-0002-7397-7977  car title loans are a more straightforward way...   \n",
-       "0000-0003-4931-9736  car title loans are a more straightforward way...   \n",
-       "0000-0001-8221-2303  car title loans are a more straightforward way...   \n",
-       "0000-0001-6736-072X  car title loans are a more straightforward way...   \n",
-       "0000-0002-8727-1246  car title loans are a more straightforward way...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9640-8136  car title loans are a more straightforward way...   \n",
-       "0000-0002-6926-3752  car title loans are a more straightforward way...   \n",
-       "0000-0002-3655-4713  car title loans are a more straightforward way...   \n",
-       "0000-0002-8724-1020  car title loans are a more straightforward way...   \n",
-       "0000-0002-4601-4569  car title loans are a more straightforward way...   \n",
+       "                                                  biography  \\\n",
+       "51306     car title loans are a more straightforward way...   \n",
+       "51307     car title loans are a more straightforward way...   \n",
+       "106024    car title loans are a more straightforward way...   \n",
+       "108770    car title loans are a more straightforward way...   \n",
+       "108771    car title loans are a more straightforward way...   \n",
+       "...                                                     ...   \n",
+       "10875416  car title loans are a more straightforward way...   \n",
+       "10878239  car title loans are a more straightforward way...   \n",
+       "10933380  car title loans are a more straightforward way...   \n",
+       "10933381  car title loans are a more straightforward way...   \n",
+       "10985986  car title loans are a more straightforward way...   \n",
        "\n",
-       "                                   other_names primary_email  \\\n",
-       "0000-0002-7397-7977  [premium car title loans]           NaN   \n",
-       "0000-0003-4931-9736  [premium car title loans]           NaN   \n",
-       "0000-0001-8221-2303  [premium car title loans]           NaN   \n",
-       "0000-0001-6736-072X                        NaN           NaN   \n",
-       "0000-0002-8727-1246              [loan agency]           NaN   \n",
-       "...                                        ...           ...   \n",
-       "0000-0002-9640-8136  [premium car title loans]           NaN   \n",
-       "0000-0002-6926-3752  [premium car title loans]           NaN   \n",
-       "0000-0002-3655-4713  [premium car title loans]           NaN   \n",
-       "0000-0002-8724-1020  [premium car title loans]           NaN   \n",
-       "0000-0002-4601-4569  [premium car title loans]           NaN   \n",
+       "                        other_names primary_email  \\\n",
+       "51306     [premium car title loans]           NaN   \n",
+       "51307     [premium car title loans]           NaN   \n",
+       "106024    [premium car title loans]           NaN   \n",
+       "108770                          NaN           NaN   \n",
+       "108771                [loan agency]           NaN   \n",
+       "...                             ...           ...   \n",
+       "10875416  [premium car title loans]           NaN   \n",
+       "10878239  [premium car title loans]           NaN   \n",
+       "10933380  [premium car title loans]           NaN   \n",
+       "10933381  [premium car title loans]           NaN   \n",
+       "10985986  [premium car title loans]           NaN   \n",
        "\n",
-       "                                                              keywords  \\\n",
-       "0000-0002-7397-7977                            [car title loan upland]   \n",
-       "0000-0003-4931-9736                          [car title loan saratoga]   \n",
-       "0000-0001-8221-2303                       [car title loan victorville]   \n",
-       "0000-0001-6736-072X                                                NaN   \n",
-       "0000-0002-8727-1246  [car title loan online, car title loan north o...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-9640-8136                            [car title loan clovis]   \n",
-       "0000-0002-6926-3752                         [car title loan escondido]   \n",
-       "0000-0002-3655-4713                        [car title loan san rafael]   \n",
-       "0000-0002-8724-1020               [car title loan san juan capistrano]   \n",
-       "0000-0002-4601-4569                    [car title loan mount pleasant]   \n",
+       "                                                   keywords external_ids  \\\n",
+       "51306                               [car title loan upland]          NaN   \n",
+       "51307                             [car title loan saratoga]          NaN   \n",
+       "106024                         [car title loan victorville]          NaN   \n",
+       "108770                                                  NaN          NaN   \n",
+       "108771    [title loan on car, car title loan online, ref...          NaN   \n",
+       "...                                                     ...          ...   \n",
+       "10875416                            [car title loan clovis]          NaN   \n",
+       "10878239                         [car title loan escondido]          NaN   \n",
+       "10933380                        [car title loan san rafael]          NaN   \n",
+       "10933381               [car title loan san juan capistrano]          NaN   \n",
+       "10985986                    [car title loan mount pleasant]          NaN   \n",
        "\n",
-       "                    external_ids education employment  n_works works_source  \\\n",
-       "0000-0002-7397-7977          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0003-4931-9736          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0001-8221-2303          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0001-6736-072X          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0002-8727-1246          NaN       NaN        NaN        0          NaN   \n",
-       "...                          ...       ...        ...      ...          ...   \n",
-       "0000-0002-9640-8136          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0002-6926-3752          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0002-3655-4713          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0002-8724-1020          NaN       NaN        NaN        0          NaN   \n",
-       "0000-0002-4601-4569          NaN       NaN        NaN        0          NaN   \n",
+       "         education employment  n_works works_source           activation_date  \\\n",
+       "51306          NaN        NaN        0          NaN  2020-11-06t06:10:20.070z   \n",
+       "51307          NaN        NaN        0          NaN  2020-11-13t01:04:19.859z   \n",
+       "106024         NaN        NaN        0          NaN  2020-11-05t00:38:21.096z   \n",
+       "108770         NaN        NaN        0          NaN  2020-12-08t05:38:30.786z   \n",
+       "108771         NaN        NaN        0          NaN  2020-12-10t08:54:56.127z   \n",
+       "...            ...        ...      ...          ...                       ...   \n",
+       "10875416       NaN        NaN        0          NaN  2020-10-22t06:11:02.945z   \n",
+       "10878239       NaN        NaN        0          NaN  2020-12-03t02:00:33.684z   \n",
+       "10933380       NaN        NaN        0          NaN  2020-11-18t00:39:17.492z   \n",
+       "10933381       NaN        NaN        0          NaN  2020-11-19t00:31:54.080z   \n",
+       "10985986       NaN        NaN        0          NaN  2020-10-16t00:32:26.207z   \n",
        "\n",
-       "                              activation_date          last_update_date  \\\n",
-       "0000-0002-7397-7977  2020-11-06t06:10:20.070z  2020-11-06t06:24:28.005z   \n",
-       "0000-0003-4931-9736  2020-11-13t01:04:19.859z  2020-11-13t01:15:12.546z   \n",
-       "0000-0001-8221-2303  2020-11-05t00:38:21.096z  2020-11-05t00:40:40.091z   \n",
-       "0000-0001-6736-072X  2020-12-08t05:38:30.786z  2020-12-08t05:40:03.786z   \n",
-       "0000-0002-8727-1246  2020-12-10t08:54:56.127z  2020-12-10t08:57:15.791z   \n",
-       "...                                       ...                       ...   \n",
-       "0000-0002-9640-8136  2020-10-22t06:11:02.945z  2020-10-22t06:17:09.111z   \n",
-       "0000-0002-6926-3752  2020-12-03t02:00:33.684z  2020-12-03t02:02:07.054z   \n",
-       "0000-0002-3655-4713  2020-11-18t00:39:17.492z  2020-11-18t00:52:19.024z   \n",
-       "0000-0002-8724-1020  2020-11-19t00:31:54.080z  2020-11-19t00:34:08.721z   \n",
-       "0000-0002-4601-4569  2020-10-16t00:32:26.207z  2020-10-16t00:37:42.646z   \n",
+       "                  last_update_date  n_doi  n_arxiv  n_pmc  n_other_pids  \\\n",
+       "51306     2020-11-06t06:24:28.005z      0        0      0             0   \n",
+       "51307     2020-11-13t01:15:12.546z      0        0      0             0   \n",
+       "106024    2020-11-05t00:40:40.091z      0        0      0             0   \n",
+       "108770    2020-12-08t05:40:03.786z      0        0      0             0   \n",
+       "108771    2020-12-10t08:57:15.791z      0        0      0             0   \n",
+       "...                            ...    ...      ...    ...           ...   \n",
+       "10875416  2020-10-22t06:17:09.111z      0        0      0             0   \n",
+       "10878239  2020-12-03t02:02:07.054z      0        0      0             0   \n",
+       "10933380  2020-11-18t00:52:19.024z      0        0      0             0   \n",
+       "10933381  2020-11-19t00:34:08.721z      0        0      0             0   \n",
+       "10985986  2020-10-16t00:37:42.646z      0        0      0             0   \n",
        "\n",
-       "                     n_doi  n_arxiv  n_pmc  n_other_pids  label  \\\n",
-       "0000-0002-7397-7977      0        0      0             0      0   \n",
-       "0000-0003-4931-9736      0        0      0             0      0   \n",
-       "0000-0001-8221-2303      0        0      0             0      0   \n",
-       "0000-0001-6736-072X      0        0      0             0      0   \n",
-       "0000-0002-8727-1246      0        0      0             0      0   \n",
-       "...                    ...      ...    ...           ...    ...   \n",
-       "0000-0002-9640-8136      0        0      0             0      0   \n",
-       "0000-0002-6926-3752      0        0      0             0      0   \n",
-       "0000-0002-3655-4713      0        0      0             0      0   \n",
-       "0000-0002-8724-1020      0        0      0             0      0   \n",
-       "0000-0002-4601-4569      0        0      0             0      0   \n",
+       "          label primary_email_domain other_email_domains  \\\n",
+       "51306         0                  NaN                 NaN   \n",
+       "51307         0                  NaN                 NaN   \n",
+       "106024        0                  NaN                 NaN   \n",
+       "108770        0                  NaN                 NaN   \n",
+       "108771        0                  NaN                 NaN   \n",
+       "...         ...                  ...                 ...   \n",
+       "10875416      0                  NaN                 NaN   \n",
+       "10878239      0                  NaN                 NaN   \n",
+       "10933380      0                  NaN                 NaN   \n",
+       "10933381      0                  NaN                 NaN   \n",
+       "10985986      0                  NaN                 NaN   \n",
        "\n",
-       "                    primary_email_domain other_email_domains  \\\n",
-       "0000-0002-7397-7977                  NaN                 NaN   \n",
-       "0000-0003-4931-9736                  NaN                 NaN   \n",
-       "0000-0001-8221-2303                  NaN                 NaN   \n",
-       "0000-0001-6736-072X                  NaN                 NaN   \n",
-       "0000-0002-8727-1246                  NaN                 NaN   \n",
-       "...                                  ...                 ...   \n",
-       "0000-0002-9640-8136                  NaN                 NaN   \n",
-       "0000-0002-6926-3752                  NaN                 NaN   \n",
-       "0000-0002-3655-4713                  NaN                 NaN   \n",
-       "0000-0002-8724-1020                  NaN                 NaN   \n",
-       "0000-0002-4601-4569                  NaN                 NaN   \n",
+       "                         url_domains  n_emails  n_urls  n_ids  n_keywords  \\\n",
+       "51306     [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "51307     [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "106024    [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "108770    [premiumcartitleloans.com]       NaN     1.0    NaN         NaN   \n",
+       "108771    [premiumcartitleloans.com]       NaN     1.0    NaN         4.0   \n",
+       "...                              ...       ...     ...    ...         ...   \n",
+       "10875416  [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "10878239  [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "10933380  [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "10933381  [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
+       "10985986  [premiumcartitleloans.com]       NaN     1.0    NaN         1.0   \n",
        "\n",
-       "                                    url_domains  n_emails  n_urls  n_ids  \\\n",
-       "0000-0002-7397-7977  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0003-4931-9736  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0001-8221-2303  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0001-6736-072X  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0002-8727-1246  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "...                                         ...       ...     ...    ...   \n",
-       "0000-0002-9640-8136  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0002-6926-3752  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0002-3655-4713  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0002-8724-1020  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "0000-0002-4601-4569  [premiumcartitleloans.com]       NaN     1.0    NaN   \n",
-       "\n",
-       "                     n_keywords  n_education  n_employment  \n",
-       "0000-0002-7397-7977         1.0          NaN           NaN  \n",
-       "0000-0003-4931-9736         1.0          NaN           NaN  \n",
-       "0000-0001-8221-2303         1.0          NaN           NaN  \n",
-       "0000-0001-6736-072X         NaN          NaN           NaN  \n",
-       "0000-0002-8727-1246         4.0          NaN           NaN  \n",
-       "...                         ...          ...           ...  \n",
-       "0000-0002-9640-8136         1.0          NaN           NaN  \n",
-       "0000-0002-6926-3752         1.0          NaN           NaN  \n",
-       "0000-0002-3655-4713         1.0          NaN           NaN  \n",
-       "0000-0002-8724-1020         1.0          NaN           NaN  \n",
-       "0000-0002-4601-4569         1.0          NaN           NaN  \n",
+       "          n_education  n_employment  \n",
+       "51306             NaN           NaN  \n",
+       "51307             NaN           NaN  \n",
+       "106024            NaN           NaN  \n",
+       "108770            NaN           NaN  \n",
+       "108771            NaN           NaN  \n",
+       "...               ...           ...  \n",
+       "10875416          NaN           NaN  \n",
+       "10878239          NaN           NaN  \n",
+       "10933380          NaN           NaN  \n",
+       "10933381          NaN           NaN  \n",
+       "10985986          NaN           NaN  \n",
        "\n",
        "[421 rows x 30 columns]"
       ]
      },
-     "execution_count": 51,
+     "execution_count": 49,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -14766,7 +14739,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 52,
+   "execution_count": 50,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14779,7 +14752,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 53,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14788,7 +14761,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 54,
+   "execution_count": 52,
    "metadata": {},
    "outputs": [
     {
@@ -14818,83 +14791,83 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0505-2734</th>\n",
-       "      <td>1</td>\n",
+       "      <th>25505</th>\n",
+       "      <td>0000-0003-0505-2734</td>\n",
        "      <td>j</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-7686-1032</th>\n",
-       "      <td>1</td>\n",
-       "      <td>hi</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>0000-0002-3417-7299</th>\n",
-       "      <td>1</td>\n",
+       "      <th>138487</th>\n",
+       "      <td>0000-0002-3417-7299</td>\n",
        "      <td>.....</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-3794-1288</th>\n",
-       "      <td>1</td>\n",
+       "      <th>139595</th>\n",
+       "      <td>0000-0003-3794-1288</td>\n",
        "      <td>m.d., ph.d.</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0001-9655-4806</th>\n",
-       "      <td>1</td>\n",
+       "      <th>193340</th>\n",
+       "      <td>0000-0001-9655-4806</td>\n",
        "      <td>肿瘤</td>\n",
        "    </tr>\n",
        "    <tr>\n",
+       "      <th>194990</th>\n",
+       "      <td>0000-0002-9149-0142</td>\n",
+       "      <td>be y</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
        "      <th>...</th>\n",
        "      <td>...</td>\n",
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-3823-2678</th>\n",
-       "      <td>1</td>\n",
-       "      <td>b.e, m.e. ph.d</td>\n",
+       "      <th>10927866</th>\n",
+       "      <td>0000-0002-7341-5480</td>\n",
+       "      <td>ph.d.</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-4041-0840</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10976080</th>\n",
+       "      <td>0000-0003-4041-0840</td>\n",
        "      <td>/</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-4285-8537</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10976689</th>\n",
+       "      <td>0000-0002-4285-8537</td>\n",
        "      <td></td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-1545-8773</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10976922</th>\n",
+       "      <td>0000-0002-1545-8773</td>\n",
        "      <td>hi</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6302-4224</th>\n",
-       "      <td>1</td>\n",
+       "      <th>10987379</th>\n",
+       "      <td>0000-0002-6302-4224</td>\n",
        "      <td>.</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>343 rows × 2 columns</p>\n",
+       "<p>348 rows × 2 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                     orcid       biography\n",
-       "0000-0003-0505-2734      1               j\n",
-       "0000-0001-7686-1032      1              hi\n",
-       "0000-0002-3417-7299      1           .....\n",
-       "0000-0003-3794-1288      1     m.d., ph.d.\n",
-       "0000-0001-9655-4806      1              肿瘤\n",
-       "...                    ...             ...\n",
-       "0000-0003-3823-2678      1  b.e, m.e. ph.d\n",
-       "0000-0003-4041-0840      1               /\n",
-       "0000-0002-4285-8537      1                \n",
-       "0000-0002-1545-8773      1              hi\n",
-       "0000-0002-6302-4224      1               .\n",
+       "                        orcid    biography\n",
+       "25505     0000-0003-0505-2734            j\n",
+       "138487    0000-0002-3417-7299        .....\n",
+       "139595    0000-0003-3794-1288  m.d., ph.d.\n",
+       "193340    0000-0001-9655-4806           肿瘤\n",
+       "194990    0000-0002-9149-0142         be y\n",
+       "...                       ...          ...\n",
+       "10927866  0000-0002-7341-5480        ph.d.\n",
+       "10976080  0000-0003-4041-0840            /\n",
+       "10976689  0000-0002-4285-8537             \n",
+       "10976922  0000-0002-1545-8773           hi\n",
+       "10987379  0000-0002-6302-4224            .\n",
        "\n",
-       "[343 rows x 2 columns]"
+       "[348 rows x 2 columns]"
       ]
      },
-     "execution_count": 54,
+     "execution_count": 52,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -14905,7 +14878,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 55,
+   "execution_count": 53,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -14914,24 +14887,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 56,
+   "execution_count": 54,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "count    3.483060e+05\n",
-       "mean     6.117792e-01\n",
-       "std      4.472392e-01\n",
+       "count    3.536670e+05\n",
+       "mean     6.098044e-01\n",
+       "std      4.476618e-01\n",
        "min      1.917500e-22\n",
-       "25%      1.969077e-02\n",
-       "50%      9.563239e-01\n",
-       "75%      9.999993e-01\n",
+       "25%      1.858235e-02\n",
+       "50%      9.529688e-01\n",
+       "75%      9.999992e-01\n",
        "max      1.000000e+00\n",
        "Name: spam_score, dtype: float64"
       ]
      },
-     "execution_count": 56,
+     "execution_count": 54,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -14942,7 +14915,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 57,
+   "execution_count": 55,
    "metadata": {},
    "outputs": [
     {
@@ -14972,27 +14945,27 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>0000-0002-2638-4108</th>\n",
+       "      <th>29</th>\n",
        "      <td>investigador de la universidad de oviedo. depa...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-2862-6139</th>\n",
+       "      <th>83</th>\n",
        "      <td>formación académica en la temática de manejo d...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-8873-189X</th>\n",
+       "      <th>217</th>\n",
        "      <td>doctor en educación, maestro en gerencia de la...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-1291-3782</th>\n",
+       "      <th>222</th>\n",
        "      <td>possui graduação em psicologia pela pontifícia...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-2263-6646</th>\n",
+       "      <th>470</th>\n",
        "      <td>roofing contractors in seattle waroofing contr...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
@@ -15002,66 +14975,53 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-2606-3849</th>\n",
+       "      <th>10989593</th>\n",
        "      <td>jose ignacio peláez sánchez ha sido profesor e...</td>\n",
        "      <td>0.999966</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0459-4822</th>\n",
+       "      <th>10989603</th>\n",
        "      <td>mestranda em tecnologia na saúde e foi aluna o...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0003-0057-1551</th>\n",
+       "      <th>10989605</th>\n",
        "      <td>the phd degree of pharmacy was received under ...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-7878-164X</th>\n",
+       "      <th>10989615</th>\n",
        "      <td>mostafa metwaly is an assistant lecturer at th...</td>\n",
        "      <td>1.000000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>0000-0002-6633-0673</th>\n",
+       "      <th>10989617</th>\n",
        "      <td>jual obat aborsi di tangerang, obat penggugur ...</td>\n",
        "      <td>0.999999</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>119552 rows × 2 columns</p>\n",
+       "<p>120733 rows × 2 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                                             biography  \\\n",
-       "0000-0002-2638-4108  investigador de la universidad de oviedo. depa...   \n",
-       "0000-0003-2862-6139  formación académica en la temática de manejo d...   \n",
-       "0000-0002-8873-189X  doctor en educación, maestro en gerencia de la...   \n",
-       "0000-0003-1291-3782  possui graduação em psicologia pela pontifícia...   \n",
-       "0000-0002-2263-6646  roofing contractors in seattle waroofing contr...   \n",
-       "...                                                                ...   \n",
-       "0000-0002-2606-3849  jose ignacio peláez sánchez ha sido profesor e...   \n",
-       "0000-0003-0459-4822  mestranda em tecnologia na saúde e foi aluna o...   \n",
-       "0000-0003-0057-1551  the phd degree of pharmacy was received under ...   \n",
-       "0000-0002-7878-164X  mostafa metwaly is an assistant lecturer at th...   \n",
-       "0000-0002-6633-0673  jual obat aborsi di tangerang, obat penggugur ...   \n",
+       "                                                  biography  spam_score\n",
+       "29        investigador de la universidad de oviedo. depa...    1.000000\n",
+       "83        formación académica en la temática de manejo d...    1.000000\n",
+       "217       doctor en educación, maestro en gerencia de la...    1.000000\n",
+       "222       possui graduação em psicologia pela pontifícia...    1.000000\n",
+       "470       roofing contractors in seattle waroofing contr...    1.000000\n",
+       "...                                                     ...         ...\n",
+       "10989593  jose ignacio peláez sánchez ha sido profesor e...    0.999966\n",
+       "10989603  mestranda em tecnologia na saúde e foi aluna o...    1.000000\n",
+       "10989605  the phd degree of pharmacy was received under ...    1.000000\n",
+       "10989615  mostafa metwaly is an assistant lecturer at th...    1.000000\n",
+       "10989617  jual obat aborsi di tangerang, obat penggugur ...    0.999999\n",
        "\n",
-       "                     spam_score  \n",
-       "0000-0002-2638-4108    1.000000  \n",
-       "0000-0003-2862-6139    1.000000  \n",
-       "0000-0002-8873-189X    1.000000  \n",
-       "0000-0003-1291-3782    1.000000  \n",
-       "0000-0002-2263-6646    1.000000  \n",
-       "...                         ...  \n",
-       "0000-0002-2606-3849    0.999966  \n",
-       "0000-0003-0459-4822    1.000000  \n",
-       "0000-0003-0057-1551    1.000000  \n",
-       "0000-0002-7878-164X    1.000000  \n",
-       "0000-0002-6633-0673    0.999999  \n",
-       "\n",
-       "[119552 rows x 2 columns]"
+       "[120733 rows x 2 columns]"
       ]
      },
-     "execution_count": 57,
+     "execution_count": 55,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -15079,7 +15039,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 58,
+   "execution_count": 56,
    "metadata": {},
    "outputs": [
     {
@@ -15095,7 +15055,6 @@
          "name": "0",
          "type": "heatmap",
          "x": [
-          "orcid",
           "verified_email",
           "verified_primary_email",
           "n_works",
@@ -15114,7 +15073,6 @@
          ],
          "xaxis": "x",
          "y": [
-          "orcid",
           "verified_email",
           "verified_primary_email",
           "n_works",
@@ -15134,291 +15092,258 @@
          "yaxis": "y",
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        "                            \n",
-       "var gd = document.getElementById('454c5049-0a2f-47b4-b3f1-190a4446a91b');\n",
+       "var gd = document.getElementById('79146b9f-0db2-44c2-bf78-850a4711610c');\n",
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        "        var display = window.getComputedStyle(gd).display;\n",
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@@ -16344,7 +16269,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 59,
+   "execution_count": 57,
    "metadata": {},
    "outputs": [
     {
@@ -16402,17 +16327,546 @@
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>17</th>\n",
+       "      <td>0000-0002-0137-3066</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2017-07-25t04:34:17.338z</td>\n",
+       "      <td>2019-11-27t17:54:45.418z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>19</th>\n",
+       "      <td>0000-0002-0461-9711</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2</td>\n",
+       "      <td>[crossref]</td>\n",
+       "      <td>2015-08-18t12:42:01.797z</td>\n",
+       "      <td>2019-12-06t11:37:38.203z</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>22</th>\n",
+       "      <td>0000-0002-0761-9450</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1</td>\n",
+       "      <td>[crossref]</td>\n",
+       "      <td>2020-05-13t17:15:28.405z</td>\n",
+       "      <td>2020-08-11t21:00:45.694z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33</th>\n",
+       "      <td>0000-0002-4447-9215</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2017-07-24t09:37:50.242z</td>\n",
+       "      <td>2019-11-15t08:31:24.820z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>44</th>\n",
+       "      <td>0000-0003-0426-4065</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[eliza i. gilbert]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[, us fish and wildlife service, albuquerque,...</td>\n",
+       "      <td>0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2017-08-07t18:32:31.802z</td>\n",
+       "      <td>2020-04-08t16:48:55.732z</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10989636</th>\n",
+       "      <td>0000-0002-2906-0299</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>tiffany</td>\n",
+       "      <td>mackay</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[tiffany russel sia]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[prostate cancer, oxytocin, radiolabelling, ga...</td>\n",
+       "      <td>[[researcherid, a-2121-2017]]</td>\n",
+       "      <td>[[faculty of medicine, master in pharmaceutica...</td>\n",
+       "      <td>[[clinical project lead, minomic international...</td>\n",
+       "      <td>11</td>\n",
+       "      <td>[crossref, researcherid, tiffany mackay]</td>\n",
+       "      <td>2017-01-03t23:28:48.736z</td>\n",
+       "      <td>2020-12-09t17:12:20.326z</td>\n",
+       "      <td>11</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[oxytocin.com.au, linkedin.com]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>13.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10989637</th>\n",
+       "      <td>0000-0001-5896-2024</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>giovanni, l</td>\n",
+       "      <td>tiscia</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[scopus author id, 54948242800]]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>70</td>\n",
+       "      <td>[scopus - elsevier, tiscia giovanni, l, europe...</td>\n",
+       "      <td>2016-07-27t10:09:13.585z</td>\n",
+       "      <td>2020-12-07t22:23:05.706z</td>\n",
+       "      <td>65</td>\n",
+       "      <td>0</td>\n",
+       "      <td>17</td>\n",
+       "      <td>52</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10989640</th>\n",
+       "      <td>0000-0002-1070-2220</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>vinicios</td>\n",
+       "      <td>santanna</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[vinicios sant anna, vinicios sant anna, vinic...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[scopus author id, 57201697952]]</td>\n",
+       "      <td>[[economics, ph.d., university of illinois at ...</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1</td>\n",
+       "      <td>[crossref metadata search]</td>\n",
+       "      <td>2016-03-19t21:24:42.821z</td>\n",
+       "      <td>2020-12-10t16:34:09.722z</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[vpsantanna.com]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10989643</th>\n",
+       "      <td>0000-0003-2606-0936</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>luang</td>\n",
+       "      <td>xu</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[xu lu-ang, lu lu]</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[post-doc, institute of biochemistry and cell...</td>\n",
+       "      <td>2</td>\n",
+       "      <td>[scopus - elsevier, crossref]</td>\n",
+       "      <td>2015-10-24t03:53:23.544z</td>\n",
+       "      <td>2020-11-19t09:23:48.896z</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10989645</th>\n",
+       "      <td>0000-0002-3800-6331</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1</td>\n",
+       "      <td>zachary</td>\n",
+       "      <td>calamari</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>[[richard gilder graduate school, phd in compa...</td>\n",
+       "      <td>[[assistant professor, baruch college, city un...</td>\n",
+       "      <td>7</td>\n",
+       "      <td>[crossref metadata search, zachary t. calamari...</td>\n",
+       "      <td>2015-01-20t20:20:17.042z</td>\n",
+       "      <td>2020-11-21t19:48:36.221z</td>\n",
+       "      <td>7</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>1</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
+       "<p>2664886 rows × 31 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "Empty DataFrame\n",
-       "Columns: [orcid, verified_email, verified_primary_email, given_names, family_name, biography, other_names, primary_email, keywords, external_ids, education, employment, n_works, works_source, activation_date, last_update_date, n_doi, n_arxiv, n_pmc, n_other_pids, label, primary_email_domain, other_email_domains, url_domains, n_emails, n_urls, n_ids, n_keywords, n_education, n_employment, spam_score]\n",
-       "Index: []"
+       "                        orcid  verified_email  verified_primary_email  \\\n",
+       "17        0000-0002-0137-3066               1                       1   \n",
+       "19        0000-0002-0461-9711               1                       1   \n",
+       "22        0000-0002-0761-9450               1                       1   \n",
+       "33        0000-0002-4447-9215               1                       1   \n",
+       "44        0000-0003-0426-4065               1                       1   \n",
+       "...                       ...             ...                     ...   \n",
+       "10989636  0000-0002-2906-0299               1                       1   \n",
+       "10989637  0000-0001-5896-2024               1                       1   \n",
+       "10989640  0000-0002-1070-2220               1                       1   \n",
+       "10989643  0000-0003-2606-0936               1                       1   \n",
+       "10989645  0000-0002-3800-6331               1                       1   \n",
+       "\n",
+       "          given_names family_name biography  \\\n",
+       "17                NaN         NaN       NaN   \n",
+       "19                NaN         NaN       NaN   \n",
+       "22                NaN         NaN       NaN   \n",
+       "33                NaN         NaN       NaN   \n",
+       "44                NaN         NaN       NaN   \n",
+       "...               ...         ...       ...   \n",
+       "10989636      tiffany      mackay       NaN   \n",
+       "10989637  giovanni, l      tiscia       NaN   \n",
+       "10989640     vinicios    santanna       NaN   \n",
+       "10989643        luang          xu       NaN   \n",
+       "10989645      zachary    calamari       NaN   \n",
+       "\n",
+       "                                                other_names primary_email  \\\n",
+       "17                                                      NaN           NaN   \n",
+       "19                                                      NaN           NaN   \n",
+       "22                                                      NaN           NaN   \n",
+       "33                                                      NaN           NaN   \n",
+       "44                                       [eliza i. gilbert]           NaN   \n",
+       "...                                                     ...           ...   \n",
+       "10989636                               [tiffany russel sia]           NaN   \n",
+       "10989637                                                NaN           NaN   \n",
+       "10989640  [vinicios sant anna, vinicios sant anna, vinic...           NaN   \n",
+       "10989643                                 [xu lu-ang, lu lu]           NaN   \n",
+       "10989645                                                NaN           NaN   \n",
+       "\n",
+       "                                                   keywords  \\\n",
+       "17                                                      NaN   \n",
+       "19                                                      NaN   \n",
+       "22                                                      NaN   \n",
+       "33                                                      NaN   \n",
+       "44                                                      NaN   \n",
+       "...                                                     ...   \n",
+       "10989636  [prostate cancer, oxytocin, radiolabelling, ga...   \n",
+       "10989637                                                NaN   \n",
+       "10989640                                                NaN   \n",
+       "10989643                                                NaN   \n",
+       "10989645                                                NaN   \n",
+       "\n",
+       "                               external_ids  \\\n",
+       "17                                      NaN   \n",
+       "19                                      NaN   \n",
+       "22                                      NaN   \n",
+       "33                                      NaN   \n",
+       "44                                      NaN   \n",
+       "...                                     ...   \n",
+       "10989636      [[researcherid, a-2121-2017]]   \n",
+       "10989637  [[scopus author id, 54948242800]]   \n",
+       "10989640  [[scopus author id, 57201697952]]   \n",
+       "10989643                                NaN   \n",
+       "10989645                                NaN   \n",
+       "\n",
+       "                                                  education  \\\n",
+       "17                                                      NaN   \n",
+       "19                                                      NaN   \n",
+       "22                                                      NaN   \n",
+       "33                                                      NaN   \n",
+       "44                                                      NaN   \n",
+       "...                                                     ...   \n",
+       "10989636  [[faculty of medicine, master in pharmaceutica...   \n",
+       "10989637                                                NaN   \n",
+       "10989640  [[economics, ph.d., university of illinois at ...   \n",
+       "10989643                                                NaN   \n",
+       "10989645  [[richard gilder graduate school, phd in compa...   \n",
+       "\n",
+       "                                                 employment  n_works  \\\n",
+       "17                                                      NaN        0   \n",
+       "19                                                      NaN        2   \n",
+       "22                                                      NaN        1   \n",
+       "33                                                      NaN        0   \n",
+       "44        [[, us fish and wildlife service, albuquerque,...        0   \n",
+       "...                                                     ...      ...   \n",
+       "10989636  [[clinical project lead, minomic international...       11   \n",
+       "10989637                                                NaN       70   \n",
+       "10989640                                                NaN        1   \n",
+       "10989643  [[post-doc, institute of biochemistry and cell...        2   \n",
+       "10989645  [[assistant professor, baruch college, city un...        7   \n",
+       "\n",
+       "                                               works_source  \\\n",
+       "17                                                      NaN   \n",
+       "19                                               [crossref]   \n",
+       "22                                               [crossref]   \n",
+       "33                                                      NaN   \n",
+       "44                                                      NaN   \n",
+       "...                                                     ...   \n",
+       "10989636           [crossref, researcherid, tiffany mackay]   \n",
+       "10989637  [scopus - elsevier, tiscia giovanni, l, europe...   \n",
+       "10989640                         [crossref metadata search]   \n",
+       "10989643                      [scopus - elsevier, crossref]   \n",
+       "10989645  [crossref metadata search, zachary t. calamari...   \n",
+       "\n",
+       "                   activation_date          last_update_date  n_doi  n_arxiv  \\\n",
+       "17        2017-07-25t04:34:17.338z  2019-11-27t17:54:45.418z      0        0   \n",
+       "19        2015-08-18t12:42:01.797z  2019-12-06t11:37:38.203z      2        0   \n",
+       "22        2020-05-13t17:15:28.405z  2020-08-11t21:00:45.694z      1        0   \n",
+       "33        2017-07-24t09:37:50.242z  2019-11-15t08:31:24.820z      0        0   \n",
+       "44        2017-08-07t18:32:31.802z  2020-04-08t16:48:55.732z      0        0   \n",
+       "...                            ...                       ...    ...      ...   \n",
+       "10989636  2017-01-03t23:28:48.736z  2020-12-09t17:12:20.326z     11        0   \n",
+       "10989637  2016-07-27t10:09:13.585z  2020-12-07t22:23:05.706z     65        0   \n",
+       "10989640  2016-03-19t21:24:42.821z  2020-12-10t16:34:09.722z      1        0   \n",
+       "10989643  2015-10-24t03:53:23.544z  2020-11-19t09:23:48.896z      2        0   \n",
+       "10989645  2015-01-20t20:20:17.042z  2020-11-21t19:48:36.221z      7        0   \n",
+       "\n",
+       "          n_pmc  n_other_pids  label primary_email_domain other_email_domains  \\\n",
+       "17            0             0      1                  NaN                 NaN   \n",
+       "19            0             0      1                  NaN                 NaN   \n",
+       "22            0             0      1                  NaN                 NaN   \n",
+       "33            0             0      1                  NaN                 NaN   \n",
+       "44            0             0      1                  NaN                 NaN   \n",
+       "...         ...           ...    ...                  ...                 ...   \n",
+       "10989636      0             0      1                  NaN                 NaN   \n",
+       "10989637     17            52      1                  NaN                 NaN   \n",
+       "10989640      0             1      1                  NaN                 NaN   \n",
+       "10989643      0             1      1                  NaN                 NaN   \n",
+       "10989645      1             0      1                  NaN                 NaN   \n",
+       "\n",
+       "                              url_domains  n_emails  n_urls  n_ids  \\\n",
+       "17                                    NaN       NaN     NaN    NaN   \n",
+       "19                                    NaN       NaN     NaN    NaN   \n",
+       "22                                    NaN       NaN     NaN    NaN   \n",
+       "33                                    NaN       NaN     NaN    NaN   \n",
+       "44                                    NaN       NaN     NaN    NaN   \n",
+       "...                                   ...       ...     ...    ...   \n",
+       "10989636  [oxytocin.com.au, linkedin.com]       NaN     2.0    1.0   \n",
+       "10989637                              NaN       NaN     NaN    1.0   \n",
+       "10989640                 [vpsantanna.com]       NaN     1.0    1.0   \n",
+       "10989643                              NaN       NaN     NaN    NaN   \n",
+       "10989645                              NaN       NaN     NaN    NaN   \n",
+       "\n",
+       "          n_keywords  n_education  n_employment  spam_score  \n",
+       "17               NaN          NaN           NaN         NaN  \n",
+       "19               NaN          NaN           NaN         NaN  \n",
+       "22               NaN          NaN           NaN         NaN  \n",
+       "33               NaN          NaN           NaN         NaN  \n",
+       "44               NaN          NaN           1.0         NaN  \n",
+       "...              ...          ...           ...         ...  \n",
+       "10989636        13.0          2.0           4.0         NaN  \n",
+       "10989637         NaN          NaN           NaN         NaN  \n",
+       "10989640         NaN          2.0           NaN         NaN  \n",
+       "10989643         NaN          NaN           1.0         NaN  \n",
+       "10989645         NaN          2.0           2.0         NaN  \n",
+       "\n",
+       "[2664886 rows x 31 columns]"
       ]
      },
-     "execution_count": 59,
+     "execution_count": 57,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -16423,7 +16877,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 60,
+   "execution_count": 58,
    "metadata": {},
    "outputs": [],
    "source": [