Keyphrases
- learning algorithm
- tree structure
- improved algorithm
- binary tree
- preprocessing
- dynamic programming
- times faster
- optimization algorithm
- detection algorithm
- np hard
- recognition algorithm
- search space
- optimal solution
- minimum spanning tree
- matching algorithm
- mining high utility itemsets
- particle swarm optimization
- input data
- computational complexity
- linear programming
- significant improvement
- data sets
- decision trees
- similarity measure
- classification trees
- graph structure
- k means
- convergence rate
- cost function
- experimental evaluation
- computational cost
- probabilistic model
- segmentation algorithm
- computationally efficient
- high accuracy