https://w3id.org/framester/conceptnet5/data/en/telegraph <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/tele> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/communication_device> <https://w3id.org/framester/conceptnet5/data/en/electrical_device> <https://w3id.org/framester/conceptnet5/data/en/comunication_system> risorse dalla linked data cloud