https://w3id.org/framester/conceptnet5/data/en/semigroup <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/semi> <https://w3id.org/framester/conceptnet5/data/en/group> risorse dalla linked data cloud