Improved Approximation Algorithms for the Uncapacitated Facility Location Problem.
Fabián A. ChudakDavid B. ShmoysPublished in: SIAM J. Comput. (2003)
Keyphrases
- approximation algorithms
- np hard
- special case
- vertex cover
- minimum cost
- worst case
- facility location problem
- network design problem
- set cover
- exact algorithms
- approximation ratio
- open shop
- approximation schemes
- constant factor
- np hardness
- precedence constraints
- randomized algorithms
- primal dual
- constant factor approximation
- strongly np hard
- resource allocation