https://w3id.org/framester/conceptnet5/data/en/concave <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.concavus.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/cla/fro.concave> <https://w3id.org/framester/conceptnet5/cla/la.concavus> risorse dalla linked data cloud