A Fast Shapelet Discovery Algorithm Based on Important Data Points.
Cun JiChao ZhaoLi PanShijun LiuChenglei YangLei WuPublished in: Int. J. Web Serv. Res. (2017)
Keyphrases
- learning algorithm
- optimal solution
- single pass
- improved algorithm
- times faster
- detection algorithm
- np hard
- cost function
- optimization algorithm
- computationally efficient
- objective function
- expectation maximization
- data points
- computational cost
- experimental evaluation
- dynamic programming
- preprocessing
- high accuracy
- input data
- computational complexity
- recognition algorithm
- convergence rate
- clustering method
- tree structure
- data structure
- probabilistic model
- distance metric
- k means
- segmentation algorithm
- theoretical analysis
- em algorithm
- worst case