Keyphrases
- computational complexity
- k means
- np hard
- detection algorithm
- preprocessing
- theoretical analysis
- experimental evaluation
- objective function
- single pass
- cost function
- search space
- optimal solution
- clustering method
- estimation algorithm
- improved algorithm
- selection algorithm
- recognition algorithm
- times faster
- classification algorithm
- experimental study
- computationally efficient
- worst case
- hidden markov models
- association rules
- matching algorithm
- convex hull
- high accuracy
- computational cost
- dynamic programming
- decision trees