@INPROCEEDINGS{Yang_07,
author={X. Yang and H. Lim and T. Ozsu and K. Tan},
title="{In-Network Execution of Monitoring Queries in Sensor
 Networks}",
booktitle={Proceedings of the 2007 ACM SIGMOD International Conference
on Management of Data and Principles of Database Systems},
year={2007},
pages={521-532},
address={New York, NY},
url={http://portal.acm.org/citation.cfm?id=1247480.1247538},
}