diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/INP/ordered_sparql_insert_INP_sites.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/INP/ordered_sparql_insert_INP_sites.sparql
index a644e71..90faf36 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/INP/ordered_sparql_insert_INP_sites.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/enrich/INP/ordered_sparql_insert_INP_sites.sparql
@@ -143,17 +143,40 @@ PREFIX aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
          ?derivedSubject skos:prefLabel ?label .
  };
  
+PREFIX  skos: <http://www.w3.org/2004/02/skos/core#>
+ PREFIX  aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
+ PREFIX time: <http://www.w3.org/2006/time#>
+ PREFIX  rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+ INSERT {
+     GRAPH <https://ariadne-infrastructure.eu/ariadneplus::inp::periodoplus> {
+         ?temporal aocat:has_period ?native_period .
+         ?temporal aocat:from ?from .
+         ?temporal aocat:until ?until .
+     }
+ }
+ WHERE {
+ 	GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::inp::sites> {
+       ?temporal aocat:has_native_period ?native_period .
+       ?native_period rdfs:label|skos:prefLabel ?native_label .
+       ?temporal aocat:from ?from .
+       ?temporal aocat:until ?until .
+   }
+ };
+
  PREFIX  skos: <http://www.w3.org/2004/02/skos/core#>
   PREFIX  aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
   PREFIX time: <http://www.w3.org/2006/time#>
-  PREFIX dcterms: <http://purl.org/dc/terms/>
+  PREFIX  rdfs: <http://www.w3.org/2000/01/rdf-schema#>
   INSERT {
-   GRAPH <https://ariadne-infrastructure.eu/ariadneplus::inp::periodoplus> {
-       ?temporal aocat:has_period ?periodO .
-   }
+      GRAPH <https://ariadne-infrastructure.eu/ariadneplus::inp::periodo> {
+          ?native_period skos:prefLabel ?native_label .
+      }
   }
   WHERE {
-  GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::inp::sites> {
-      ?temporal aocat:has_period ?periodO .
-  }
+  	GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::inp::sites> {
+        ?temporal aocat:has_native_period ?native_period .
+        ?native_period rdfs:label|skos:prefLabel ?native_label .
+        ?temporal aocat:from ?from .
+        ?temporal aocat:until ?until .
+    }
   };
\ No newline at end of file