https://w3id.org/framester/conceptnet5/data/en/metatarsal_bone <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/foot_bone> <https://w3id.org/framester/conceptnet5/data/en/long_bone> risorse dalla linked data cloud