https://w3id.org/framester/conceptnet5/data/en/nebula <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/space> <https://w3id.org/framester/conceptnet5/data/en/in_outerspace> <https://w3id.org/framester/conceptnet5/data/en/outerspace> <https://w3id.org/framester/conceptnet5/data/en/universe> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/cloud_of_gas_in_space> <https://w3id.org/framester/conceptnet5/data/en/heavenly_body> <https://w3id.org/framester/conceptnet5/data/en/gas_and_dust_cloud> <https://w3id.org/framester/conceptnet5/data/en/cloud_of_gas> risorse dalla linked data cloud