Historic queries in geosensor networks

Authors:
Stephan Winter;Sören Dupke;Lin Jie Guan;Carlos Vieira
Affiliations:
Department of Geomatics, The University of Melbourne, Victoria, Australia;Department of Geomatics, The University of Melbourne, Victoria, Australia and Institute of Geoinformatics, University of Münster, Germany;Department of Geomatics, The University of Melbourne, Victoria, Australia;Department of Geomatics, The University of Melbourne, Victoria, Australia and Departamento de Engenharia Civil, Universidade Federal de Vicosa, Brasil
Venue:
W2GIS'07 Proceedings of the 7th international conference on Web and wireless geographical information systems
Year:
2007

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Abstract

This paper addresses--to our knowledge, for the first time--the problem of querying a geosensor network--a sensor network of mobile, locationaware nodes--for historical data. It compares different network architectures and querying strategies with respect to their performance in reconstructing events or processes that happened in the past, trying to support the hypothesis that reconstruction is possible within the limited capacities of a geosensor network only. In a concrete case study, these queries are studied in a simulated peer-to-peer ride sharing system.