Approximation Algorithms for Sensor Deployment.
Xiaochun XuSartaj SahniPublished in: IEEE Trans. Computers (2007)
Keyphrases
- approximation algorithms
- np hard
- special case
- sensor networks
- worst case
- vertex cover
- approximation ratio
- minimum cost
- network design problem
- set cover
- randomized algorithms
- np hardness
- precedence constraints
- open shop
- constant factor
- facility location problem
- exact algorithms
- approximation schemes
- lower bound
- undirected graph
- strongly np hard
- primal dual
- combinatorial auctions
- upper bound
- constant factor approximation