https://w3id.org/framester/conceptnet5/data/en/grind_to_orbit_vehicle <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/spacecraft> <https://w3id.org/framester/conceptnet5/data/en/rocket> <https://w3id.org/framester/conceptnet5/data/en/air_transportation_vehicle> risorse dalla linked data cloud