https://w3id.org/framester/conceptnet5/data/en/sodium.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/soda> <https://w3id.org/framester/conceptnet5/data/en/atomic_number> <https://w3id.org/framester/conceptnet5/data/en/na> <https://w3id.org/framester/conceptnet5/data/en/atomic_weight> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/natrium> risorse dalla linked data cloud