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» Approximation Algorithms for Minimum K-Cut
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FOCS
2008
IEEE
15 years 27 days ago
Minimizing Movement in Mobile Facility Location Problems
In the mobile facility location problem, which is a variant of the classical Uncapacitated Facility Location and kMedian problems, each facility and client is assigned to a start ...
Zachary Friggstad, Mohammad R. Salavatipour
CDC
2009
IEEE
132views Control Systems» more  CDC 2009»
15 years 4 months ago
Q-learning and Pontryagin's Minimum Principle
Abstract— Q-learning is a technique used to compute an optimal policy for a controlled Markov chain based on observations of the system controlled using a non-optimal policy. It ...
Prashant G. Mehta, Sean P. Meyn
ICMCS
2006
IEEE
103views Multimedia» more  ICMCS 2006»
15 years 5 months ago
Multiplierless Approximation of Fast DCT Algorithms
This paper proposes an effective method for converting any fast DCT algorithm into an approximate multiplierless version. Basically it approximates any constant in the original tr...
Raymond Chan, Moon-chuen Lee
WEA
2005
Springer
89views Algorithms» more  WEA 2005»
15 years 5 months ago
Implementation of Approximation Algorithms for the Multicast Congestion Problem
Abstract. We implement the approximation algorithm for the multicast congestion problem in communication networks in [14] based on the fast approximation algorithm for packing prob...
Qiang Lu, Hu Zhang
FOCS
2008
IEEE
15 years 6 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak