https://w3id.org/framester/conceptnet5/data/en/since_when <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/album> <https://w3id.org/framester/conceptnet5/data/en/musical_work> <https://w3id.org/framester/conceptnet5/schema/dbpedia.genre> <https://w3id.org/framester/conceptnet5/data/en/alternative_rock> risorse dalla linked data cloud