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