Sciweavers

5595 search results - page 127 / 1119
» Approximation Algorithms for Clustering Problems
Sort
View
INFOCOM
2007
IEEE
15 years 11 months ago
Fault-Tolerant Relay Node Placement in Wireless Sensor Networks: Problems and Algorithms
— Two fundamental functions of the sensor nodes in a wireless sensor network are to sense its environment and to transmit sensed information to a basestation. One approach to pro...
Weiyi Zhang, Guoliang Xue, Satyajayant Misra
GECCO
2004
Springer
117views Optimization» more  GECCO 2004»
15 years 10 months ago
Comparing Search Algorithms for the Temperature Inversion Problem
Several inverse problems exist in the atmospheric sciences that are computationally costly when using traditional gradient based methods. Unfortunately, many standard evolutionary ...
Monte Lunacek, L. Darrell Whitley, Philip Gabriel,...
142
Voted
ICML
2007
IEEE
16 years 5 months ago
Multi-armed bandit problems with dependent arms
We provide a framework to exploit dependencies among arms in multi-armed bandit problems, when the dependencies are in the form of a generative model on clusters of arms. We find ...
Sandeep Pandey, Deepayan Chakrabarti, Deepak Agarw...
WAOA
2005
Springer
163views Algorithms» more  WAOA 2005»
15 years 10 months ago
Improved Approximation Algorithms for MAX NAE-SAT and MAX SAT
MAX SAT and MAX NAE-SAT are central problems in theoretical computer science. We present an approximation algorithm for MAX NAE-SAT with a conjectured performance guarantee of 0.82...
Adi Avidor, Ido Berkovitch, Uri Zwick
FOCS
1998
IEEE
15 years 9 months ago
Faster and Simpler Algorithms for Multicommodity Flow and Other Fractional Packing Problems
This paper considers the problem of designing fast, approximate, combinatorial algorithms for multicommodity flows and other fractional packing problems. We provide a different ap...
Naveen Garg, Jochen Könemann