https://w3id.org/framester/conceptnet5/data/en/titan.n.moon <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/celestial_body> <https://w3id.org/framester/conceptnet5/data/en/planet> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/planet> risorse dalla linked data cloud