https://w3id.org/framester/conceptnet5/data/en/platonic_solid <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/plato.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/polyhedron.n> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/archimedean_solid> <https://w3id.org/framester/conceptnet5/data/en/kepler_solid> risorse dalla linked data cloud