https://w3id.org/framester/conceptnet5/data/en/dial_911 <https://w3id.org/framester/conceptnet5/schema/HasSubevent> <https://w3id.org/framester/conceptnet5/data/en/panic> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/emergency_call> risorse dalla linked data cloud