https://w3id.org/framester/conceptnet5/data/en/gaussian_integer.n <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/quadratic_integer> <https://w3id.org/framester/conceptnet5/data/en/complex_number> <https://w3id.org/framester/conceptnet5/data/en/algebraic_integer> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/integer> <https://w3id.org/framester/conceptnet5/data/en/eisenstein_integer> <https://w3id.org/framester/conceptnet5/data/en/complex_number> risorse dalla linked data cloud