call https://w3id.org/framester/pb/pbdata/call.11 <https://w3id.org/framester/pb/pbschema/RoleSet> rdfs:label xsd:string call rdf:type <https://w3id.org/framester/pb/pbschema/RoleSet> <https://w3id.org/framester/pb/pbschema/hasRole> <https://w3id.org/framester/pb/pbdata/call.11__1> risorse dalla linked data cloud