unload https://w3id.org/framester/pb/pbdata/unload.02 <https://w3id.org/framester/pb/pbschema/RoleSet> rdfs:label xsd:string unload rdf:type <https://w3id.org/framester/pb/pbschema/RoleSet> <https://w3id.org/framester/pb/pbschema/hasRole> <https://w3id.org/framester/pb/pbdata/unload.02__0> <https://w3id.org/framester/pb/pbdata/unload.02__1> risorse dalla linked data cloud