https://w3id.org/framester/conceptnet5/data/en/pythagoras.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/philosopher> <https://w3id.org/framester/conceptnet5/data/en/mathematician> <https://w3id.org/framester/conceptnet5/data/en/ancient_greek> <https://w3id.org/framester/conceptnet5/data/en/pythagoras_theorem> risorse dalla linked data cloud