Longbo Zhang, Zhanhuai Li, Min Yu, Guangyuan Zhao. New Sampling-Based Summary Structures for Sliding Windows over Data Streams. In De-Shuang Huang, Laurent Heutte, Marco Loog, editors, Advanced Intelligent Computing Theories and Applications. With Aspects of Contemporary Intelligent Computing Techniques, Third International Conference on Intelligent Computing, ICIC 2007, Qingdao, China, August 21-24, 2007. Proceedings. Volume 2 of Communications in Computer and Information Science, pages 1242-1249, Springer, 2007. [doi]