https://w3id.org/framester/conceptnet5/data/en/mid_size_car <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/car> <https://w3id.org/framester/conceptnet5/data/en/automobile_type_by_conventional_size_classification> risorse dalla linked data cloud