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INFOCOM
2010
IEEE
15 years 4 months ago
On Computing Compression Trees for Data Collection in Wireless Sensor Networks
We address the problem of efficiently gathering correlated data from a wireless sensor network, with the aim of designing algorithms with provable optimality guarantees, and unders...
Jian Li, Amol Deshpande, Samir Khuller
ECAI
2010
Springer
15 years 4 months ago
On Computing Backbones of Propositional Theories
Backbones of propositional theories are literals that are true in every model. Backbones have been used for characterizing the hardness of decision and optimization problems. Moreo...
João Marques-Silva, Mikolás Janota, ...
SIAMMAX
2010
92views more  SIAMMAX 2010»
15 years 1 months ago
Estimating the Backward Error in LSQR
We propose practical stopping criteria for the iterative solution of sparse linear least squares (LS) problems. Although we focus our discussion on the algorithm LSQR of Paige and ...
Pavel Jiránek, David Titley-Péloquin
TEC
2010
171views more  TEC 2010»
15 years 1 months ago
A Clustering Particle Swarm Optimizer for Locating and Tracking Multiple Optima in Dynamic Environments
In the real world, many optimization problems are dynamic. This requires an optimization algorithm to not only find the global optimal solution under a specific environment but als...
Shengxiang Yang, Changhe Li
WINE
2010
Springer
164views Economy» more  WINE 2010»
15 years 4 months ago
Incentives in Online Auctions via Linear Programming
Online auctions in which items are sold in an online fashion with little knowledge about future bids are common in the internet environment. We study here a problem in which an auc...
Niv Buchbinder, Kamal Jain, Mohit Singh