Approximation Algorithms for the Star k-Hub Center Problem in Metric Graphs.
Li-Hsuan ChenDun-Wei ChengSun-Yuan HsiehLing-Ju HungChia-Wei LeeBang Ye WuPublished in: COCOON (2016)
Keyphrases
- approximation algorithms
- undirected graph
- special case
- np hard
- maximum common subgraph
- vertex cover
- worst case
- facility location problem
- minimum cost
- open shop
- approximation guarantees
- primal dual
- distance function
- set cover
- network design problem
- randomized algorithms
- graph matching
- search algorithm
- combinatorial auctions
- np hardness
- graph model
- approximation ratio
- graph structure
- approximation schemes
- directed graph
- constant factor
- bipartite graph
- polynomial time approximation
- linear program
- disjoint paths
- distance measure