Keyphrases
- tree structure
- k means
- detection algorithm
- times faster
- optimization algorithm
- computational complexity
- preprocessing
- search space
- experimental evaluation
- high accuracy
- segmentation algorithm
- learning algorithm
- mining high utility itemsets
- classification trees
- improved algorithm
- matching algorithm
- worst case
- cost function
- significant improvement
- similarity measure
- input data
- expectation maximization
- linear programming
- simulated annealing
- nearest neighbor
- recognition algorithm
- optimal solution
- minimum spanning tree
- tree search
- binary tree
- pattern tree
- genetic algorithm