https://w3id.org/framester/conceptnet5/data/en/golem.n.novel <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/book> <https://w3id.org/framester/conceptnet5/data/en/write_work> risorse dalla linked data cloud