https://w3id.org/framester/conceptnet5/data/en/pythagoreanism <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ism> <https://w3id.org/framester/conceptnet5/data/en/pythagorean> risorse dalla linked data cloud