https://w3id.org/framester/conceptnet5/data/en/asterism <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/celestial_region> <https://w3id.org/framester/conceptnet5/data/en/celestial_object> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/syzygy> risorse dalla linked data cloud