https://w3id.org/framester/conceptnet5/data/en/dedekind_domain <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/noetherian_ring.n> <https://w3id.org/framester/conceptnet5/data/en/noetherian_domain.n> risorse dalla linked data cloud