https://w3id.org/framester/conceptnet5/data/en/caustic_potash <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/potash.n> <https://w3id.org/framester/conceptnet5/data/en/caustic.a> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/potassium_hydroxide> risorse dalla linked data cloud