https://w3id.org/framester/conceptnet5/data/en/alkaline <https://w3id.org/framester/conceptnet5/schema/DefinedAs> <https://w3id.org/framester/conceptnet5/data/en/opposite_of_acidic> <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/alkali.n> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/alkali> risorse dalla linked data cloud