added check on record mandatory field place_name

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

@@ -110,6 +110,14 @@ SELECT DISTINCT ?g WHERE {
             ?s	aocat:has_native_subject ?sub .
         }
     }
+    UNION{
+        ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Individual_Data_Resource> .
+        MINUS {
+            ?s rdf:type <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/AO_Individual_Data_Resource> .
+            ?s	aocat:has_spatial_coverage ?spatial .
+            ?spatial  aocat:has_place_name ?placeName .
+        }
+    }
 
 }
 }