Zhao Zhang, Xiaofeng Gao, Xuefei Zhang, Weili Wu, Hui Xiong. Three Approximation Algorithms for Energy-Efficient Query Dissemination in Sensor Database System. In Sourav S. Bhowmick, Josef Küng, Roland Wagner, editors, Database and Expert Systems Applications, 20th International Conference, DEXA 2009, Linz, Austria, August 31 - September 4, 2009. Proceedings. Volume 5690 of Lecture Notes in Computer Science, pages 807-821, Springer, 2009. [doi]
Abstract is missing.