Approximation Algorithms for Data Management in Networks.
Christof KrickHarald RäckeMatthias WestermannPublished in: Theory Comput. Syst. (2003)
Keyphrases
- approximation algorithms
- data management
- np hard
- special case
- vertex cover
- worst case
- facility location problem
- minimum cost
- approximation schemes
- approximation ratio
- set cover
- np hardness
- network design problem
- constant factor
- primal dual
- randomized algorithms
- network structure
- data warehouse
- query processing
- undirected graph
- complex networks
- database systems
- precedence constraints
- combinatorial auctions
- approximation guarantees
- linear programming
- open shop