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» Inapproximability of Combinatorial Optimization Problems
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IPPS
1999
IEEE
15 years 7 months ago
Mapping Media Streams onto a Network of Servers
This paper presents the definition as well as a number of methods for the solution of a new combinatorial optimization problem, called S-MAMP that has to be solved for the efficie...
Reinhard Lüling
132
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TAMC
2009
Springer
15 years 9 months ago
Approximation and Hardness Results for Label Cut and Related Problems
We investigate a natural combinatorial optimization problem called the Label Cut problem. Given an input graph G with a source s and a sink t, the edges of G are classified into ...
Peng Zhang, Jin-yi Cai, Linqing Tang, Wenbo Zhao
EOR
2006
130views more  EOR 2006»
15 years 2 months ago
A Benders decomposition approach for the robust spanning tree problem with interval data
The robust spanning tree problem is a variation, motivated by telecommunications applications, of the classic minimum spanning tree problem. In the robust spanning tree problem ed...
Roberto Montemanni
KES
2008
Springer
15 years 2 months ago
Knowledge-based genetic algorithm for university course timetabling problems
This paper discusses a new solution to university course timetabling problems. The problems that belong to the NP-hard class are very difficult to solve using conventional optimiza...
Hitoshi Kanoh, Yuusuke Sakamoto
113
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INFORMATICALT
2010
101views more  INFORMATICALT 2010»
15 years 1 months ago
An Improved Differential Evolution Scheme for the Solution of Large-Scale Unit Commitment Problems
This paper presents an improved differential evolution (IDE) method for the solution of large-scale unit commitment (UC) problems. The objective of the proposed scheme is to determ...
Chen-Sung Chang