FasterDSP: A Faster Approximation Algorithm for Directed Steiner Tree Problem.
Ming-I HsiehEric Hsiao-Kuang WuMeng-Feng TsaiPublished in: J. Inf. Sci. Eng. (2006)
Keyphrases
- learning algorithm
- detection algorithm
- experimental evaluation
- computationally efficient
- objective function
- computational complexity
- k means
- improved algorithm
- cost function
- expectation maximization
- times faster
- optimization algorithm
- computational cost
- highly efficient
- piecewise constant
- preprocessing
- similarity measure
- theoretical analysis
- simulated annealing
- linear programming
- approximation ratio
- monte carlo
- prize collecting
- matching algorithm
- closed form
- error bounds
- memory efficient
- data sets
- clustering method
- input data
- high accuracy
- worst case
- probabilistic model
- dynamic programming
- np hard
- search space
- data structure
- image segmentation
- genetic algorithm