https://w3id.org/framester/conceptnet5/data/en/real_vector_space.n <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/vector_space> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/field> <https://w3id.org/framester/conceptnet5/data/en/vector_space> <https://w3id.org/framester/conceptnet5/data/en/real_number> risorse dalla linked data cloud