https://w3id.org/framester/conceptnet5/data/en/hockey_rink <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/hockey.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/skate_rink.n> risorse dalla linked data cloud