https://w3id.org/framester/conceptnet5/data/en/ketone <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/one> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/acetone> <https://w3id.org/framester/conceptnet5/cla/de.keton> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/organic_compound> <https://w3id.org/framester/conceptnet5/data/en/chemistry> risorse dalla linked data cloud