https://w3id.org/framester/pb/pbdata/buy.01__4 <https://w3id.org/framester/pb/pbschema/Role> rdf:type <https://w3id.org/framester/pb/pbschema/Role> <https://w3id.org/framester/schema/subsumedUnder> <https://w3id.org/framester/pb/pbschema/ARG4> risorse dalla linked data cloud