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» Robust node localization for wireless sensor networks
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212
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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
153
Voted
TSP
2012
13 years 11 months ago
Distributed Covariance Estimation in Gaussian Graphical Models
—We consider distributed estimation of the inverse covariance matrix in Gaussian graphical models. These models factorize the multivariate distribution and allow for efficient d...
Ami Wiesel, Alfred O. Hero
147
Voted
PERCOM
2006
ACM
16 years 3 months ago
Exploring Spatial Correlation for Link Quality Estimation in Wireless Sensor Networks
The irregularity in quality of wireless communication links poses significant research challenges in wireless sensor network design. Dynamic network conditions and environmental f...
Yingqi Xu, Wang-Chien Lee
113
Voted
INFOCOM
2009
IEEE
15 years 10 months ago
Sensor Network Localization Using Sensor Perturbation
—Sensor network localization is an instance of the NP-HARD graph realization problem. Thus, methods used in practice are not guaranteed to find the correct localization, even if...
Yuanchen Zhu, Steven J. Gortler, Dylan Thurston
117
Voted
INFOCOM
2003
IEEE
15 years 8 months ago
Localized minimum-energy broadcasting in ad-hoc networks
— In the minimum energy broadcasting problem, each node can adjust its transmission power in order to minimize total energy consumption but still enable a message originated from...
Julien Cartigny, David Simplot, Ivan Stojmenovic