https://w3id.org/framester/conceptnet5/data/en/foothold <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/foot.n> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/hold> <https://w3id.org/framester/conceptnet5/data/en/foot> risorse dalla linked data cloud