https://w3id.org/framester/conceptnet5/data/en/buckminsterfullerene <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/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/fullerene> <https://w3id.org/framester/conceptnet5/data/en/buckyball> <https://w3id.org/framester/conceptnet5/data/en/fulleride> <https://w3id.org/framester/conceptnet5/data/en/buckytube> risorse dalla linked data cloud