https://w3id.org/framester/conceptnet5/data/en/obscure <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ob> <https://w3id.org/framester/conceptnet5/cla/la.obscurus.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/cla/fr.obscur> risorse dalla linked data cloud