also the label of the language is mandatory

dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_coll_fields.sparql

@@ -17,6 +17,7 @@ SELECT * WHERE {
         MINUS {
             ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
             ?s	aocat:has_ARIADNE_subject ?ariadneSubject .
+            ?ariadneSubject skos:prefLabel ?archeologicalResourceTypeName .
         }
     }
     UNION {
@@ -66,6 +67,7 @@ SELECT * WHERE {
         MINUS {
             ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Collection> .
             ?s	aocat:has_language ?language .
+            ?language skos:prefLabel ?x .
         }
     }
     UNION{

dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/check_missing_mandatory_record_fields.sparql

@@ -66,6 +66,7 @@ SELECT DISTINCT ?g WHERE {
         MINUS {
             ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Individual_Data_Resource> .
             ?s	aocat:has_language ?l .
+            ?l skos:prefLabel ?label .
         }
     }
     UNION{