https://w3id.org/framester/conceptnet5/cla/la.planus.a <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/level> <https://w3id.org/framester/conceptnet5/data/en/flat> <https://w3id.org/framester/conceptnet5/data/en/even> risorse dalla linked data cloud