Improved Approximation Algorithms for the Facility Location Problems with Linear/Submodular Penalties.
Yu LiDonglei DuNaihua XiuDachuan XuPublished in: Algorithmica (2015)
Keyphrases
- approximation algorithms
- facility location problem
- submodular functions
- constant factor approximation
- special case
- np hard
- worst case
- vertex cover
- minimum cost
- approximation ratio
- primal dual
- set cover
- network design problem
- randomized algorithms
- greedy algorithm
- open shop
- objective function
- evolutionary algorithm
- constant factor
- demand points
- optimal solution