reach https://w3id.org/framester/pb/pbdata/reach.03 <https://w3id.org/framester/pb/pbschema/RoleSet> rdfs:label xsd:string reach rdf:type <https://w3id.org/framester/pb/pbschema/RoleSet> <https://w3id.org/framester/pb/pbschema/hasRole> <https://w3id.org/framester/pb/pbdata/reach.03__0> <https://w3id.org/framester/pb/pbdata/reach.03__1> risorse dalla linked data cloud