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In-Network Outlier Detection in Wireless Sensor Networks

By: Ran Wolff; Giannella, C.; Szymanski, B.; Branch, J.; Kargupta, H.;

2006 / IEEE / 0-7695-2540-7


This item was taken from the IEEE Conference ' In-Network Outlier Detection in Wireless Sensor Networks ' To address the problem of unsupervised outlier detection in wireless sensor networks, we develop an algorithm that (1) is flexible with respect to the outlier definition, (2) works in-network with a communication load proportional to the outcome, and (3) reveals its outcome to all sensors. We examine the algorithm�s performance using simulation with real sensor data streams. Our results demonstrate that the algorithm is accurate and imposes a reasonable communication load and level of power consumption.