https://w3id.org/framester/conceptnet5/data/en/jack_benny_program <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/radio_program> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/tv_show> risorse dalla linked data cloud