https://w3id.org/framester/wn/wn30/instances/word-nominal_head <https://w3id.org/framester/wn/wn30/schema/Word> <https://w3id.org/framester/wn/wn30/schema/lexicalForm> nominal head rdf:type <https://w3id.org/framester/wn/wn30/schema/Word> risorse dalla linked data cloud