Xuegang Huang, Hua Lu. Snapshot density queries on location sensors. In Peter Scheuermann, Wang-Chien Lee, George Samaras, Dik Lun Lee, editors, Sixth ACM International Workshop on Data Engineering for Wireless and Mobile Access, Mobide 2007, June 10, 2007, Beijing, China, Proceedings. pages 75-78, ACM, 2007. [doi]
Abstract is missing.