Keyphrases
- real time
- experimental evaluation
- times faster
- optimization algorithm
- dynamic programming
- convergence rate
- significant improvement
- computational cost
- preprocessing
- k means
- expectation maximization
- worst case
- estimation algorithm
- detection algorithm
- high accuracy
- probabilistic model
- cost function
- computational complexity
- learning algorithm
- information retrieval systems
- search space
- clustering method
- matching algorithm
- objective function
- information retrieval