https://w3id.org/framester/conceptnet5/data/en/hydroxide.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/oxide> <https://w3id.org/framester/conceptnet5/data/en/anion> <https://w3id.org/framester/conceptnet5/data/en/metal> <https://w3id.org/framester/conceptnet5/data/en/substance> <https://w3id.org/framester/conceptnet5/data/en/univalent> <https://w3id.org/framester/conceptnet5/data/en/hydroxyl> <https://w3id.org/framester/conceptnet5/data/en/functional_group> risorse dalla linked data cloud