OSDI '02 Abstract
TAG: A Tiny AGgregation Service for Ad-Hoc Sensor Networks
Samuel Madden, Michael J. Franklin, and Joseph M. Hellerstein, University of California, Berkeley; Wei Hong, Intel Research, Berkeley
We present the Tiny AGgregation (TAG) service for aggregation in low-power, distributed, wireless environments. TAG allows users to express simple, declarative queries and have them distributed and executed efficiently in networks of low-power, wireless sensors. We discuss various generic properties of aggregates, and show how those properties affect the performance of our in network approach. We include a performance study demonstrating the advantages of our approach over traditional centralized, out-of-network methods, and discuss a variety of optimizations for improving the performance and fault-tolerance of the basic solution.
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