https://w3id.org/framester/conceptnet5/data/en/spinal_column <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/spine.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/bone_structure> risorse dalla linked data cloud