E. Chu, A. Baid, T. Chen, A. Doan, and J. Naughton. VLDB '07: Proceedings of the 33rd international conference on Very large data bases, page 1045--1056. VLDB Endowment, (2007)
R. Gummadi, X. Li, R. Govindan, C. Shahabi, and W. Hong. SenSys '04: Proceedings of the 2nd international conference on Embedded networked sensor systems, page 273--274. New York, NY, USA, ACM Press, (2004)