https://w3id.org/framester/conceptnet5/cla/fro.labur.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/work> <https://w3id.org/framester/conceptnet5/data/en/laborer> <https://w3id.org/framester/conceptnet5/data/en/labor> <https://w3id.org/framester/conceptnet5/data/en/toil> risorse dalla linked data cloud