https://w3id.org/framester/conceptnet5/data/en/service_mark <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/mark.n> <https://w3id.org/framester/conceptnet5/data/en/service.n> risorse dalla linked data cloud