https://w3id.org/framester/conceptnet5/data/en/skillfulness <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ness> <https://w3id.org/framester/conceptnet5/data/en/skillful> risorse dalla linked data cloud