Information Processing in Sensor Networks (IPSN 04) Xenofon Koutsoukos EECS Department Vanderbilt University Nashville, TN 37235, USA Xenofon.Koutsoukos@vanderbilt.edu The 3rd international symposium on Information Processing in Sensor Networks (IPSN) was held at Berkeley, CA April 2627 2004. The objective of the meeting was to bring together researchers from academia, industry, and government to present and discuss recent work in this emerging field. This symposium was the third of a series started at the Palo Alto Research Center (PARC) (2001 and 2003). Kannan Ramchandran and Janos Sztipanovits were the symposium co-chairs while Jennifer Hou and Thrasyvoulos Pappas were the technical program co-chairs. The symposium was cosponsored by ACM SIGBED and the IEEE Signal Processing Society. Driven by advances in MEMS microsensors, wireless networking, and embedded processing, ad-hoc networks of sensors are becoming increasingly available for commercial and military applications such as environmental monitoring (e.g., traffic, habitat, security), industrial sensing and diagnostics (e.g., factory, appliances), critical infrastructure protection (e.g., power grids, water distribution, waste disposal), and situational awareness for battlefield applications. Information processing in sensor networks draws upon many disciplines including signal processing/detection/estimation, networking and protocols, embedded systems, data bases and information management, as well as distributed algorithms. It opens
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