https://w3id.org/framester/conceptnet5/data/en/old_key <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/junk_drawer> <https://w3id.org/framester/conceptnet5/schema/NotHasProperty> <https://w3id.org/framester/conceptnet5/data/en/complex> risorse dalla linked data cloud