An Analysis of Spatio-Temporal Query Processing in Sensor Networks

Authors:
Alexandru Coman;Jorg Sander;Mario A. Nascimento
Affiliations:
University of Alberta, Edmonton, Canada;University of Alberta, Edmonton, Canada;University of Alberta, Edmonton, Canada
Venue:
ICDEW '05 Proceedings of the 21st International Conference on Data Engineering Workshops
Year:
2005

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Abstract

Sensor networks are an emerging technology that provide new means to monitor and understand various phenomena. Nodes in a sensor network typically have a limited power supply, thus energy-efficient processing of the queries over the network is a critical issue. We propose analytical models to evaluate the performance of three methods for processing historical spatio-temporal queries in sensor networks. The models allow us to better understand the tradeoffs of the investigated methods, as well as to recommend the most energy efficient one at query time.