scratch https://w3id.org/framester/pb/pbdata/scratch.04 <https://w3id.org/framester/pb/pbschema/RoleSet> rdfs:label xsd:string scratch rdf:type <https://w3id.org/framester/pb/pbschema/RoleSet> <https://w3id.org/framester/pb/pbschema/hasRole> <https://w3id.org/framester/pb/pbdata/scratch.04__0> <https://w3id.org/framester/pb/pbdata/scratch.04__1> risorse dalla linked data cloud