https://w3id.org/framester/conceptnet5/data/en/promissory_note <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/note.n> <https://w3id.org/framester/conceptnet5/data/en/promissory.a> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/negotiable_instrument.n> risorse dalla linked data cloud