https://w3id.org/framester/conceptnet5/data/en/curvature <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/absolute.a> <https://w3id.org/framester/conceptnet5/cla/fro.curvature.n> risorse dalla linked data cloud