https://w3id.org/framester/conceptnet5/data/en/jack_ball <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/athlete> <https://w3id.org/framester/conceptnet5/data/en/person> <https://w3id.org/framester/conceptnet5/data/en/soccer_player> risorse dalla linked data cloud