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» Algorithms for local sensor synchronization
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211
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ICDE
2005
IEEE
115views Database» more  ICDE 2005»
16 years 4 months ago
Snapshot Queries: Towards Data-Centric Sensor Networks
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
Yannis Kotidis
113
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INFOCOM
2008
IEEE
15 years 9 months ago
Light-Weight Contour Tracking in Wireless Sensor Networks
Abstract—We study the problem of contour tracking with binary sensors, an important problem for monitoring spatial signals and tracking group targets. In particular, we track the...
Xianjin Zhu, Rik Sarkar, Jie Gao, Joseph S. B. Mit...
149
Voted
UAI
2008
15 years 4 months ago
Improving Gradient Estimation by Incorporating Sensor Data
An efficient policy search algorithm should estimate the local gradient of the objective function, with respect to the policy parameters, from as few trials as possible. Whereas m...
Gregory Lawrence, Stuart J. Russell
CORR
2008
Springer
112views Education» more  CORR 2008»
15 years 3 months ago
Distributed Estimation over Wireless Sensor Networks with Packet Losses
A distributed adaptive algorithm to estimate a time-varying signal, measured by a wireless sensor network, is designed and analyzed. The presence of measurement noises and of packe...
Carlo Fischione, Alberto Speranzon, Karl Henrik Jo...
CIKM
2005
Springer
15 years 5 months ago
DIST: a distributed spatio-temporal index structure for sensor networks
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
Anand Meka, Ambuj K. Singh