https://w3id.org/framester/conceptnet5/data/en/reap_what_one_sow <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/sow.v> <https://w3id.org/framester/conceptnet5/data/en/reap.v> risorse dalla linked data cloud