https://w3id.org/framester/conceptnet5/data/en/electromagnetic_radiation <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/radiation.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/non_ionize_radiation.n> <https://w3id.org/framester/conceptnet5/data/en/wave_propagation> <https://w3id.org/framester/conceptnet5/data/en/both_wave_and_particle> <https://w3id.org/framester/conceptnet5/schema/UsedFor> <https://w3id.org/framester/conceptnet5/data/en/radio_broadcast> risorse dalla linked data cloud