diff --git a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/model/view/OpenaireDuplicateView.java b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/model/view/OpenaireDuplicateView.java
index 3fb24132..a5e1e8d1 100644
--- a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/model/view/OpenaireDuplicateView.java
+++ b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/model/view/OpenaireDuplicateView.java
@@ -46,6 +46,9 @@ public class OpenaireDuplicateView implements Serializable {
 	@Column(name = "reltype")
 	private String relType;
 
+	@Column(name = "created_by")
+	private String createdBy;
+
 	public String getLocalId() {
 		return localId;
 	}
@@ -110,4 +113,12 @@ public class OpenaireDuplicateView implements Serializable {
 		this.relType = relType;
 	}
 
+	public String getCreatedBy() {
+		return createdBy;
+	}
+
+	public void setCreatedBy(final String createdBy) {
+		this.createdBy = createdBy;
+	}
+
 }
diff --git a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/repository/OpenaireDuplicateRepository.java b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/repository/OpenaireDuplicateRepository.java
index 85fd7d4e..9b3b752a 100644
--- a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/repository/OpenaireDuplicateRepository.java
+++ b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/repository/OpenaireDuplicateRepository.java
@@ -20,4 +20,8 @@ public interface OpenaireDuplicateRepository extends JpaRepository<OpenaireDupli
 	@Query(value = "update oa_duplicates set modified_by = ?3, modification_date = ?4 where (local_id = ?1 and oa_original_id = ?2) or (local_id = ?2 and oa_original_id = ?1)", nativeQuery = true)
 	void updateModificationDate(String id1, String id2, String user, OffsetDateTime now);
 
+	@Modifying
+	@Query(value = "update oa_duplicates set created_by = ?3 where ((local_id = ?1 and oa_original_id = ?2) or (local_id = ?2 and oa_original_id = ?1)) and (created_by is null or created_by = '')", nativeQuery = true)
+	void updateCreatedByIfMissing(String id1, String id2, String user);
+
 }
diff --git a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/utils/DatabaseUtils.java b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/utils/DatabaseUtils.java
index 49b22108..f04ce696 100644
--- a/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/utils/DatabaseUtils.java
+++ b/apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/utils/DatabaseUtils.java
@@ -151,7 +151,10 @@ public class DatabaseUtils {
 					.collect(Collectors.toList()));
 
 				openaireDuplicateRepository.saveAll(dups);
-				dups.forEach(d -> openaireDuplicateRepository.updateModificationDate(d.getLocalId(), d.getOaOriginalId(), user, now));
+				dups.forEach(d -> {
+					openaireDuplicateRepository.updateCreatedByIfMissing(d.getLocalId(), d.getOaOriginalId(), user);
+					openaireDuplicateRepository.updateModificationDate(d.getLocalId(), d.getOaOriginalId(), user, now);
+				});
 
 				organizationRepository.updateStatus(oldId, OrganizationStatus.duplicate.toString());
 				organizationRepository.updateModificationDate(oldId, user, now);
@@ -168,6 +171,7 @@ public class DatabaseUtils {
 		final List<OpenaireDuplicate> list = openaireDuplicateRepository.saveAll(simrels);
 
 		list.forEach(d -> {
+			openaireDuplicateRepository.updateCreatedByIfMissing(d.getLocalId(), d.getOaOriginalId(), user);
 			openaireDuplicateRepository.updateModificationDate(d.getLocalId(), d.getOaOriginalId(), user, now);
 
 			if (d.getRelType().equals(SimilarityType.is_different.toString())) {
diff --git a/apps/dnet-orgs-database-application/src/main/resources/sql/schema.sql b/apps/dnet-orgs-database-application/src/main/resources/sql/schema.sql
index 1456fcd0..b7011f2a 100644
--- a/apps/dnet-orgs-database-application/src/main/resources/sql/schema.sql
+++ b/apps/dnet-orgs-database-application/src/main/resources/sql/schema.sql
@@ -405,7 +405,8 @@ CREATE VIEW oa_duplicates_view AS
 	o.country                                   as oa_country,
 	array_to_string(array_agg(u.url), ', ')     as oa_url,
 	d.oa_collectedfrom                          as oa_collectedfrom,
-	d.reltype                                   as reltype
+	d.reltype                                   as reltype,
+	d.created_by                                as created_by
 FROM
 	oa_duplicates d
 	LEFT OUTER JOIN organizations o ON (o.id = d.oa_original_id)
@@ -414,6 +415,7 @@ FROM
 GROUP BY
 	d.local_id,
 	d.oa_original_id,
+	d.created_by, 
 	o.name,
 	o.country,
 	d.oa_collectedfrom,
diff --git a/apps/dnet-orgs-database-application/src/main/resources/static/resources/html/parts/org_duplicates.html b/apps/dnet-orgs-database-application/src/main/resources/static/resources/html/parts/org_duplicates.html
index acc76f65..81ee02a8 100644
--- a/apps/dnet-orgs-database-application/src/main/resources/static/resources/html/parts/org_duplicates.html
+++ b/apps/dnet-orgs-database-application/src/main/resources/static/resources/html/parts/org_duplicates.html
@@ -15,12 +15,16 @@
 		</thead>
 		<tbody>
 			<tr class="d-flex" ng-repeat="sr in duplicates">
-				<td class="col-4 pl-3">{{sr.oaName}} <span class="small" ng-if="sr.oaUrl"><br />
-					<b>URL: </b><a href="{{sr.oaUrl}}" target="_blank">{{sr.oaUrl}}</a></span>
+				<td class="col-4 pl-3">{{sr.oaName}} <span class="small"><br />
+					<b>URL: </b><a href="{{sr.oaUrl}}" target="_blank" ng-if="sr.oaUrl">{{sr.oaUrl}}</a></span>
 				</td>
 				<td class="col-1 text-center small">{{sr.oaAcronym}}</td>
 				<td class="col-2 text-center small"><img ng-src="resources/images/flags/{{sr.oaCountry}}.gif" /> {{sr.oaCountry}}</td>
-				<td class="col-3 small"><b>Collected from:</b> {{sr.oaCollectedFrom}}<br /> <b>Original Id:</b> <span class="text-monospace">{{sr.oaOriginalId}}</span></td>
+				<td class="col-3 small">
+					<b>Original Id:</b> <span class="text-monospace">{{sr.oaOriginalId}}</span>
+					<span ng-if="sr.oaCollectedFrom"><br /><b>Provenance:</b> {{sr.oaCollectedFrom}}</span>
+					<span ng-if="sr.createdBy && sr.createdBy != 'dedupWf'"><br /><b>Added by:</b> {{sr.createdBy}}</span>
+				</td>
 				<td class="col-2 text-right">
 					<div class="btn-group btn-group-toggle btn-group-sm" data-toggle="buttons" ng-hide="readonly">
 						<label class="btn" ng-class="{'btn-danger' : sr.relType == 'is_different', 'btn-outline-danger' : sr.relType != 'is_different'}"> <input type="radio" autocomplete="off" ng-model="sr.relType"
diff --git a/apps/dnet-orgs-database-application/src/main/resources/static/resources/js/organizations.js b/apps/dnet-orgs-database-application/src/main/resources/static/resources/js/organizations.js
index b366bfeb..4b65f5d2 100644
--- a/apps/dnet-orgs-database-application/src/main/resources/static/resources/js/organizations.js
+++ b/apps/dnet-orgs-database-application/src/main/resources/static/resources/js/organizations.js
@@ -245,7 +245,8 @@ orgsModule.directive('orgDuplicates', function($http, $location, $route) {
 					'oaAcronym'       : scope.newDuplicate.acronyms.join(),
 					'oaCountry'       : scope.newDuplicate.country,
 					'oaUrl'           : scope.newDuplicate.urls.join(),
-					'oaCollectedFrom' : 'user',
+					'oaCollectedFrom' : '',
+					'createdBy'       : currentUser(),
 					'relType'         : 'is_similar'
 				});
 				
diff --git a/apps/dnet-orgs-database-application/src/main/resources/templates/home.html b/apps/dnet-orgs-database-application/src/main/resources/templates/home.html
index 9c792651..ed779b6b 100644
--- a/apps/dnet-orgs-database-application/src/main/resources/templates/home.html
+++ b/apps/dnet-orgs-database-application/src/main/resources/templates/home.html
@@ -111,7 +111,7 @@ fieldset > legend        { font-size      : 1.2rem !important; }
 					<a class="nav-link dropdown-toggle" href="javascript:void(0)" data-toggle="dropdown"><i class="fa fa-user"></i></a>
 					<div class="dropdown-menu dropdown-menu-right">
 						<p class="px-4 pt-2 text-muted small">
-							<b>Logged as:</b><br /><span sec:authentication="name"></span><br />
+							<b>Logged as:</b><br /><span sec:authentication="name" id="current_user"></span><br />
 							<b>Role:</b><br /><span sec:authentication="principal.authorities"></span>
 						</p>
 						<div class="dropdown-divider"></div>
@@ -139,6 +139,13 @@ fieldset > legend        { font-size      : 1.2rem !important; }
 		function adminMode() { return false; }
 	</script>
 
+	<script>
+		function currentUser() {
+			return document.getElementById('current_user').textContent;
+		}
+	</script>
+
+
 	<script src="resources/js/jquery-3.4.1.min.js"></script>
 	<script src="resources/js/popper.min.js"></script>
 	<script src="resources/js/bootstrap.min.js"></script>