https://w3id.org/framester/conceptnet5/data/en/skateboard.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/wheel> <https://w3id.org/framester/conceptnet5/data/en/skateboard> <https://w3id.org/framester/conceptnet5/data/en/skateboarder> risorse dalla linked data cloud