https://w3id.org/framester/conceptnet5/data/en/spheroid <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/eo.oido> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/ellipsoid> <https://w3id.org/framester/conceptnet5/data/en/surface_of_revolution> <https://w3id.org/framester/conceptnet5/data/en/spheroidal_surface> risorse dalla linked data cloud