https://w3id.org/framester/conceptnet5/data/en/arsine <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/arsenic.n> <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/chemical_compound> <https://w3id.org/framester/conceptnet5/data/en/chemical_substance> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/chemical_compound> <https://w3id.org/framester/conceptnet5/data/en/gas> <https://w3id.org/framester/conceptnet5/data/en/natural_substance> <https://w3id.org/framester/conceptnet5/data/en/inorganic_substance> risorse dalla linked data cloud