Algorithm for generating negative cases for collaborative filtering recommender.
Gil Jae SongHee Seok SongPublished in: Expert Syst. J. Knowl. Eng. (2022)
Keyphrases
- collaborative filtering
- learning algorithm
- improved algorithm
- experimental evaluation
- dynamic programming
- cost function
- k means
- recognition algorithm
- computational complexity
- clustering method
- theoretical analysis
- particle swarm optimization
- optimal solution
- matching algorithm
- preprocessing
- optimization algorithm
- input data
- matrix factorization
- data structure
- worst case
- search space
- convex hull
- high accuracy
- user interests
- user preferences
- expectation maximization
- linear programming
- significant improvement
- search algorithm
- similarity measure