https://w3id.org/framester/conceptnet5/data/en/pigskin <https://w3id.org/framester/conceptnet5/schema/DefinedAs> <https://w3id.org/framester/conceptnet5/data/en/football> <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/pig.n> <https://w3id.org/framester/conceptnet5/data/en/skin.n> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/football> risorse dalla linked data cloud