An Unsupervised Algorithm for Segmenting Categorical Timeseries into Episodes.
Paul R. CohenBrent HeeringaNiall M. AdamsPublished in: Pattern Detection and Discovery (2002)
Keyphrases
- times faster
- objective function
- computational cost
- dynamic programming
- np hard
- detection algorithm
- particle swarm optimization
- experimental evaluation
- preprocessing
- optimal solution
- theoretical analysis
- significant improvement
- convergence rate
- improved algorithm
- k means
- segmentation algorithm
- image segmentation
- input data
- simulated annealing
- tree structure
- probabilistic model
- computational complexity
- path planning
- scheduling problem
- recognition algorithm
- selection algorithm
- unsupervised manner
- clustering method
- high accuracy
- worst case
- learning algorithm
- cost function
- active learning
- pairwise
- association rules
- decision trees