diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/HNM/ordered_sparql_insert_hnm.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/HNM/ordered_sparql_insert_hnm.sparql
index fd2258e..a7bd284 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/HNM/ordered_sparql_insert_hnm.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/HNM/ordered_sparql_insert_hnm.sparql
@@ -1,3 +1,24 @@
+PREFIX aocat:
+PREFIX rdf:
+PREFIX rdfs:
+INSERT {
+ GRAPH {
+ ?s aocat:has_temporal_coverage .
+ rdf:type .
+ rdfs:label "Not provided" .
+
+ }
+}
+WHERE {
+ GRAPH {
+ ?s rdf:type .
+ MINUS {
+ ?s rdf:type .
+ ?s aocat:has_temporal_coverage ?tc .
+ }
+ }
+};
+
PREFIX aocat:
PREFIX skos:
PREFIX rdf: