A sensor monitoring system is described that identifies inaccurate or degraded sensor data and corresponding sensors. The system analyzes a plurality of sensors to determine reliable sensors and isolate or reinterpret unreliable sensor data. An analysis component analyzes a traffic representation that...http://www.google.com.au/patents/US7696866?utm_source=gb-gplus-sharePatent US7696866 - Learning and reasoning about the context-sensitive reliability of sensors