https://w3id.org/framester/conceptnet5/data/en/chemical_bond <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/chemical.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/chemistry> <https://w3id.org/framester/conceptnet5/data/en/energy> <https://w3id.org/framester/conceptnet5/data/en/chemical_reaction> <https://w3id.org/framester/conceptnet5/data/en/attachment> <https://w3id.org/framester/conceptnet5/data/en/configuration_of_complex_object> risorse dalla linked data cloud