https://w3id.org/framester/pb/pbschema/ARG0 <https://w3id.org/framester/pb/pbschema/RoleType> rdf:type <https://w3id.org/framester/pb/pbschema/RoleType> <https://w3id.org/framester/schema/subsumedUnder> <https://w3id.org/framester/data/framesterrole/agent> risorse dalla linked data cloud