Keyphrases
- collaborative filtering
- preprocessing
- learning algorithm
- optimization algorithm
- cost function
- experimental evaluation
- dynamic programming
- search space
- computational complexity
- recommender systems
- k means
- computational cost
- computationally efficient
- filtering algorithm
- tree structure
- selection algorithm
- detection algorithm
- improved algorithm
- high accuracy
- data structure
- expectation maximization
- segmentation algorithm
- linear programming
- mobile robot
- objective function
- similarity measure