https://w3id.org/framester/conceptnet5/data/en/pave_path <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/smoothness> <https://w3id.org/framester/conceptnet5/data/en/construct_route> <https://w3id.org/framester/conceptnet5/data/en/pave_thing> risorse dalla linked data cloud