Keyphrases
- times faster
- preprocessing
- learning algorithm
- tree structure
- computational cost
- cost function
- experimental evaluation
- linear programming
- search space
- k means
- significant improvement
- np hard
- similarity measure
- optimization algorithm
- theoretical analysis
- recognition algorithm
- binary tree
- classification algorithm
- computationally efficient
- neural network
- computational complexity
- optimal solution
- minimum spanning tree
- mining high utility itemsets
- particle swarm optimization
- maximum likelihood
- worst case
- objective function
- dynamic programming