https://w3id.org/framester/conceptnet5/data/en/unique_factorization_domain.n <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/unique_factorization_ring> <https://w3id.org/framester/conceptnet5/data/en/integral_domain> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/unique_factorization_ring> <https://w3id.org/framester/conceptnet5/data/en/integral_domain> risorse dalla linked data cloud