diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/contexts.sh b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/contexts.sh
index f06a43bb4c..6788f88bf4 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/contexts.sh
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/contexts.sh
@@ -9,8 +9,8 @@ echo "Downloading context data"
 curl ${CONTEXT_API}/contexts?all=true -H "accept: application/json" | /usr/local/sbin/jq -r '.[] | "\(.id),\(.label)"' > contexts.csv
 cat contexts.csv | cut -d , -f1 | xargs -I {} curl ${CONTEXT_API}/context/{}/?all=true | /usr/local/sbin/jq -r '.[]|"\(.id|split(":")[0]),\(.id),\(.label)"' > categories.csv
 cat categories.csv | cut -d , -f2 | sed 's/:/%3A/g'| xargs -I {} curl ${CONTEXT_API}/context/category/{}/?all=true | /usr/local/sbin/jq -r '.[]|"\(.id|split("::")[0])::\(.id|split("::")[1]),\(.id),\(.label)"' > concepts.csv
-cat contexts.csv  | cut -f1 -d, | sed 's/\(.*\)/\1,\1::other,other/' >> categories.csv
-cat categories.csv | cut -d, -f2 | sed 's/\(.*\)/\1,\1::other,other/' >> concepts.csv
+cat contexts.csv | sed 's/^\(.*\),\(.*\)/\1,\1::other,\2/' >> categories.csv
+cat categories.csv | grep -v ::other | sed 's/^.*,\(.*\),\(.*\)/\1,\1::other,\2/' >> concepts.csv
 
 echo "uploading context data to hdfs"
 hdfs dfs -mkdir ${TMP}
@@ -29,5 +29,8 @@ impala-shell -c "load data inpath '${TMP}/concepts.csv' into table ${TARGET_DB}.
 
 echo "Cleaning up"
 hdfs dfs -rm -f -r -skipTrash ${TMP}
+rm concepts.csv
+rm categories.csv
+rm contexts.csv
 
 echo "Finito!"
\ No newline at end of file
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step2.sql b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step2.sql
index 62a1585608..75b24b1893 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step2.sql
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step2.sql
@@ -47,7 +47,10 @@ from ${openaire_db_name}.publication p
 where p.datainfo.deletedbyinference = false;
 
 CREATE TABLE ${stats_db_name}.publication_concepts AS
-SELECT substr(p.id, 4) as id, contexts.context.id as concept
+SELECT substr(p.id, 4) as id, case
+    when contexts.context.id RLIKE '^[^::]+::[^::]+::.+$' then contexts.context.id
+    when contexts.context.id RLIKE '^[^::]+::[^::]+$' then concat(contexts.context.id, '::other')
+    when contexts.context.id RLIKE '^[^::]+$' then concat(contexts.context.id, '::other::other') END as concept
 from ${openaire_db_name}.publication p
          LATERAL VIEW explode(p.context) contexts as context
 where p.datainfo.deletedbyinference = false;
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step3.sql b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step3.sql
index dcd5ad858f..540cc03a51 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step3.sql
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step3.sql
@@ -54,7 +54,10 @@ FROM ${openaire_db_name}.dataset p
 where p.datainfo.deletedbyinference = false;
 
 CREATE TABLE ${stats_db_name}.dataset_concepts AS
-SELECT substr(p.id, 4) as id, contexts.context.id as concept
+SELECT substr(p.id, 4) as id, case
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+::.+$' then contexts.context.id
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+$' then concat(contexts.context.id, '::other')
+                                  when contexts.context.id RLIKE '^[^::]+$' then concat(contexts.context.id, '::other::other') END as concept
 from ${openaire_db_name}.dataset p
          LATERAL VIEW explode(p.context) contexts as context
 where p.datainfo.deletedbyinference = false;
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step4.sql b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step4.sql
index fd5390e663..54345e0741 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step4.sql
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step4.sql
@@ -54,7 +54,10 @@ FROM ${openaire_db_name}.software p
 where p.datainfo.deletedbyinference = false;
 
 CREATE TABLE ${stats_db_name}.software_concepts AS
-SELECT substr(p.id, 4) AS id, contexts.context.id AS concept
+SELECT substr(p.id, 4) as id, case
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+::.+$' then contexts.context.id
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+$' then concat(contexts.context.id, '::other')
+                                  when contexts.context.id RLIKE '^[^::]+$' then concat(contexts.context.id, '::other::other') END as concept
 FROM ${openaire_db_name}.software p
          LATERAL VIEW explode(p.context) contexts AS context
 where p.datainfo.deletedbyinference = false;
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step5.sql b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step5.sql
index b359b596f3..36ad5d92a8 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step5.sql
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/scripts/step5.sql
@@ -52,7 +52,10 @@ FROM ${openaire_db_name}.otherresearchproduct p LATERAL VIEW explode(p.instance.
 where p.datainfo.deletedbyinference = false;
 
 CREATE TABLE ${stats_db_name}.otherresearchproduct_concepts AS
-SELECT substr(p.id, 4) AS id, contexts.context.id AS concept
+SELECT substr(p.id, 4) as id, case
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+::.+$' then contexts.context.id
+                                  when contexts.context.id RLIKE '^[^::]+::[^::]+$' then concat(contexts.context.id, '::other')
+                                  when contexts.context.id RLIKE '^[^::]+$' then concat(contexts.context.id, '::other::other') END as concept
 FROM ${openaire_db_name}.otherresearchproduct p LATERAL VIEW explode(p.context) contexts AS context
 where p.datainfo.deletedbyinference = false;