https://w3id.org/framester/conceptnet5/data/en/astronomical.a <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/large> <https://w3id.org/framester/conceptnet5/data/en/astronomy> <https://w3id.org/framester/conceptnet5/data/en/vast> <https://w3id.org/framester/conceptnet5/data/en/astronomic> risorse dalla linked data cloud