https://w3id.org/framester/conceptnet5/data/en/skate_board <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/user_guide_device> <https://w3id.org/framester/conceptnet5/data/en/user_power_device> <https://w3id.org/framester/conceptnet5/data/en/wheel_vehicle> <https://w3id.org/framester/conceptnet5/data/en/rideable_transportation_device> risorse dalla linked data cloud