https://w3id.org/framester/conceptnet5/data/en/magnet.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/magnetic> <https://w3id.org/framester/conceptnet5/data/en/metal> <https://w3id.org/framester/conceptnet5/data/en/magnesia> <https://w3id.org/framester/conceptnet5/data/en/magnetite> <https://w3id.org/framester/conceptnet5/data/en/magnetism> risorse dalla linked data cloud