https://w3id.org/framester/conceptnet5/data/en/bivalve <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/bi> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/bi> <https://w3id.org/framester/conceptnet5/data/en/valve> risorse dalla linked data cloud