https://w3id.org/framester/conceptnet5/data/en/sackless <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/less> <https://w3id.org/framester/conceptnet5/data/en/sake> <https://w3id.org/framester/conceptnet5/cla/enm.sakles> risorse dalla linked data cloud