Keyphrases
- k means
- times faster
- cost function
- learning algorithm
- expectation maximization
- theoretical analysis
- data clustering
- dynamic programming
- computational complexity
- detection algorithm
- experimental evaluation
- computational cost
- noisy data
- tree structure
- search space
- clustering algorithm
- objective function
- neural network
- probabilistic model
- convergence rate
- preprocessing
- spectral clustering
- rough k means
- classification algorithm
- improved algorithm
- shortest path
- optimization algorithm
- computationally efficient
- markov random field
- scheduling problem
- np hard
- significant improvement
- search algorithm