1. Rtree Pportal 〈http://www.rtreeportal.org〉.
2. REED: robust, efficient filtering and event detection in sensor networks;Abadi,2005
3. Decomposing data-centric storage query hot-spots in sensor networks;Aly,2006
4. Workload-aware query routing trees in wireless sensor networks;Andreou,2008
5. Efficient and robust query processing in dynamic environments using random walk techniques;Avin,2004