https://w3id.org/framester/conceptnet5/data/en/necessary.a <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/need> <https://w3id.org/framester/conceptnet5/data/en/require> <https://w3id.org/framester/conceptnet5/data/en/inevitable> <https://w3id.org/framester/conceptnet5/data/en/necessitate> <https://w3id.org/framester/conceptnet5/data/en/necessity> <https://w3id.org/framester/conceptnet5/data/en/necessariness> <https://w3id.org/framester/conceptnet5/data/en/necessitation> <https://w3id.org/framester/conceptnet5/data/en/necessitude> <https://w3id.org/framester/conceptnet5/data/en/necessitousness> risorse dalla linked data cloud