https://w3id.org/framester/wn/wn30/instances/word-hub-and-spoke_system <https://w3id.org/framester/wn/wn30/schema/Collocation> <https://w3id.org/framester/wn/wn30/schema/lexicalForm> hub-and-spoke system rdf:type <https://w3id.org/framester/wn/wn30/schema/Collocation> risorse dalla linked data cloud