https://w3id.org/framester/conceptnet5/data/en/euclidean_geometry <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/geometry.n> <https://w3id.org/framester/conceptnet5/data/en/euclidean.a> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/kind_usually> risorse dalla linked data cloud