https://w3id.org/framester/conceptnet5/data/en/imaginary_number <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/number.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/complex_number> <https://w3id.org/framester/conceptnet5/data/en/complex_number.n> <https://w3id.org/framester/conceptnet5/data/en/important_concept_of_algebra> <https://w3id.org/framester/conceptnet5/data/en/part_of_algebra> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/real_number> <https://w3id.org/framester/conceptnet5/data/en/complex_number> risorse dalla linked data cloud