https://w3id.org/framester/conceptnet5/data/en/mind.n.journal <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/academic_journal> <https://w3id.org/framester/conceptnet5/data/en/periodical_literature> <https://w3id.org/framester/conceptnet5/data/en/write_work> risorse dalla linked data cloud