https://w3id.org/framester/conceptnet5/data/en/corporate_ladder <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ladder.n> <https://w3id.org/framester/conceptnet5/data/en/corporate.a> risorse dalla linked data cloud