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DEXA
2007
Springer
107views Database» more  DEXA 2007»
13 years 11 months ago
When Mobile Objects' Energy Is Not So Tight: A New Perspective on Scalability Issues of Continuous Spatial Query Systems
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
Tai T. Do, Fuyu Liu, Kien A. Hua
BROADNETS
2004
IEEE
13 years 11 months ago
Structures for In-Network Moving Object Tracking in Wireless Sensor Networks
One important application of wireless sensor networks is tracking moving objects. The recent progress has made it possible for tiny sensors to have more computing power and storag...
Chih-Yu Lin, Yu-Chee Tseng
CCGRID
2011
IEEE
12 years 11 months ago
GeoServ: A Distributed Urban Sensing Platform
—Urban sensing where mobile users continuously gather, process, and share location-sensitive sensor data (e.g., street images, road condition, traffic flow) is emerging as a ne...
Jong Hoon Ahnn, Uichin Lee, Hyun Jin Moon
MDM
2005
Springer
117views Communications» more  MDM 2005»
14 years 1 months ago
Tuning query performance in mobile sensor databases
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
Vladimir Zadorozhny, Divyasheel Sharma, Prashant K...
IS
2011
13 years 2 months ago
Optimized query routing trees for wireless sensor networks
In order to process continuous queries over Wireless Sensor Networks (WSNs), sensors are typically organized in a Query Routing Tree (denoted as T) that provides each sensor with ...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, A...