https://w3id.org/framester/conceptnet5/cla/la.spina.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/difficulty> <https://w3id.org/framester/conceptnet5/data/en/spine> <https://w3id.org/framester/conceptnet5/data/en/thorn> <https://w3id.org/framester/conceptnet5/data/en/prickle> risorse dalla linked data cloud