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LP-based approximation algorithms for capacitated facility location

โœ Scribed by Retsef Levi; David B. Shmoys; Chaitanya Swamy


Publisher
Springer-Verlag
Year
2010
Tongue
English
Weight
197 KB
Volume
131
Category
Article
ISSN
0025-5610

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Approximation algorithm for facility loc
โœ Dachuan Xu; Shuzhong Zhang ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 146 KB

In this paper, we study the uncapacitated facility location problem with service installation costs depending on the type of service required. We propose a polynomial-time approximation algorithm with approximation ratio 1.808 which improves the previous approximation ratio of 2.391 of Shmoys, Swamy