https://w3id.org/framester/conceptnet5/data/en/spine_pig <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/pig> <https://w3id.org/framester/conceptnet5/data/en/spine> <https://w3id.org/framester/conceptnet5/data/en/porcupine> risorse dalla linked data cloud