https://w3id.org/framester/conceptnet5/data/en/nuke <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/nuclear> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/nuclear_attack> risorse dalla linked data cloud