https://w3id.org/framester/conceptnet5/data/en/widowerhood <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/hood> <https://w3id.org/framester/conceptnet5/data/en/widower> risorse dalla linked data cloud