Approximation algorithm for the group Steiner network problem.
Michal PennStas RozenfeldPublished in: Networks (2007)
Keyphrases
- computational cost
- detection algorithm
- dynamic programming
- times faster
- preprocessing
- segmentation algorithm
- np hard
- learning algorithm
- worst case
- optimal solution
- error bounds
- network flow
- experimental evaluation
- recognition algorithm
- improved algorithm
- closed form
- high accuracy
- network model
- evolutionary algorithm
- approximation algorithms
- theoretical analysis
- approximation methods
- convergence rate
- network parameters
- approximation ratio
- convex hull
- complex networks
- tree structure
- simulated annealing
- probabilistic model
- mobile robot
- cost function
- significant improvement
- k means
- computational complexity
- similarity measure