diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/01_insert_defaults_for_collection_template.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/01_insert_defaults_for_collection_template.sparql
index 9e81f63..27daedd 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/01_insert_defaults_for_collection_template.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/01_insert_defaults_for_collection_template.sparql
@@ -104,6 +104,25 @@ WHERE {
         }
     }
 };
+INSERT {
+    GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::<PROVIDER>::<COLL>> {
+          ?s	aocat:has_creator <https://ariadne-infrastructure.eu/aocat/Agent/NOTPROVIDED> .
+          <https://ariadne-infrastructure.eu/aocat/Agent/NOTPROVIDED> rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Agent> .
+          <https://ariadne-infrastructure.eu/aocat/Agent/NOTPROVIDED> rdfs:label "Not provided" .
+          <https://ariadne-infrastructure.eu/aocat/Agent/NOTPROVIDED> aocat:has_name "Not provided" .
+        }
+    }
+    WHERE {
+        GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::<PROVIDER>::<COLL>> {
+            ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
+            MINUS {
+                ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
+                ?s	aocat:has_creator ?agent .
+            }
+        }
+};
+
+}
 
 #cannot set defaults in collections for datetime:
 #    ?collection aocat:was_issued ?issued .