diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/SEAD-UMEA/ordered_sparql_insert_SEAD_sites.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/SEAD-UMEA/ordered_sparql_insert_SEAD_sites.sparql
index 1f604aa..278e4ef 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/SEAD-UMEA/ordered_sparql_insert_SEAD_sites.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/SEAD-UMEA/ordered_sparql_insert_SEAD_sites.sparql
@@ -241,6 +241,20 @@ PREFIX  aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
      }
  };
 
+  PREFIX  aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
+  PREFIX  skos: <http://www.w3.org/2004/02/skos/core#>
+  INSERT {
+      GRAPH <https://ariadne-infrastructure.eu/ariadneplus::sead::periodo> {
+            ?nativePeriod skos:prefLabel ?periodLabel .
+      }
+  }
+  WHERE {
+      GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::sead::sites> {
+          ?temporal aocat:has_native_period ?nativePeriod .
+          ?nativePeriod skos:prefLabel ?periodLabel .
+      }
+  };
+
 
  PREFIX aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
  PREFIX skos: <http://www.w3.org/2004/02/skos/core#>