This book constitutes the proceedings of the Third International Conference on GeoSensor Networks, GSN 2009, held in Oxford, UK, on July 13-14, 2009. The 15 contributions presented together with 2 invited papers were carefully reviewed and selected from 32 submissions. This volume includes papers covering a variety of topics, ranging from sensing, routing and in-network processing, to data modelling, analysis and applications. It reflects the cross-disciplinary nature of geosensor networks by bringing together ideas from different fields, such as geographic information systems, distributed systems, wireless networks, distributed databases and data mining.

This book constitutes the proceedings of the Third International Conference on GeoSensor Networks, GSN 2009, held in Oxford, UK, on July 13-14, 2009. The 15 contributions presented together with 2 invited papers were carefully reviewed and selected from 32 submissions. This volume includes papers covering a variety of topics, ranging from sensing, routing and in-network processing, to data modelling, analysis and applications. It reflects the cross-disciplinary nature of geosensor networks by bringing together ideas from different fields, such as geographic information systems, distributed systems, wireless networks, distributed databases and data mining.

Sensing and In-Network Processing.- Distributed Network Configuration for Wavelet-Based Compression in Sensor Networks.- Spatially-Localized Compressed Sensing and Routing in Multi-hop Sensor Networks.- Estimation of Pollutant-Emitting Point-Sources Using Resource-Constrained Sensor Networks.- Hyperellipsoidal SVM-Based Outlier Detection Technique for Geosensor Networks.- Routing.- Genetic Algorithm for Clustering in Wireless Adhoc Sensor Networks.- VGTR: A Collaborative, Energy and Information Aware Routing Algorithm for Wireless Sensor Networks through the Use of Game Theory.- Building Efficient Aggregation Trees for Sensor Network Event-Monitoring Queries.- Improving Chord Network Performance Using Geographic Coordinates.- Analysis and Modelling.- RFID Data Aggregation.- A Framework for Trajectory Clustering.- Preliminaries for Topological Change Detection Using Sensor Networks.- Applications and Interoperability.- On the Feasibility of Early Detection of Environmental Events through Wireless Sensor Networks and the Use of 802.15.4 and GPRS.- Deploying a Wireless Sensor Network in Iceland.- Efficient Viewpoint Selection for Urban Texture Documentation.- User Requirements and Future Expectations for Geosensor Networks - An Assessment.- A Reference Architecture for Sensor Networks Integration and Management.- A Stimulus-Centric Algebraic Approach to Sensors and Observations.