https://w3id.org/framester/conceptnet5/data/en/duality <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/dual.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ity> <https://w3id.org/framester/conceptnet5/data/en/dual> risorse dalla linked data cloud