https://w3id.org/framester/conceptnet5/cla/la.reservo.v <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/reserve> <https://w3id.org/framester/conceptnet5/data/en/save> <https://w3id.org/framester/conceptnet5/data/en/retain> risorse dalla linked data cloud