Keyphrases
- k means
- learning algorithm
- cost function
- worst case
- clustering method
- detection algorithm
- preprocessing
- dynamic programming
- search space
- significant improvement
- expectation maximization
- experimental evaluation
- self organizing maps
- objective function
- tree structure
- graph structure
- rough k means
- computational complexity
- search algorithm
- extracted features
- global structure
- feature set
- convergence rate
- data clustering
- structural information
- cluster analysis
- optimization algorithm
- pairwise
- training set
- bayesian networks