https://w3id.org/framester/conceptnet5/data/en/alkaloid <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/oid> <https://w3id.org/framester/conceptnet5/data/en/alkali> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/base> <https://w3id.org/framester/conceptnet5/data/en/chemistry> <https://w3id.org/framester/conceptnet5/data/en/organic_matter> risorse dalla linked data cloud