Collaborative Filtering Recommendation Algorithm Based on Matrix Factorization and User Nearest Neighbors.
Zhongjie WangNana YuJiaxian WangPublished in: AsiaSim/SCS AutumnSim (1) (2016)
Keyphrases
- linear combination
- matrix factorization
- collaborative filtering
- collaborative filtering recommendation algorithm
- low rank
- recommender systems
- item recommendation
- nearest neighbor
- recommendation systems
- user preferences
- negative matrix factorization
- data sparsity
- nonnegative matrix factorization
- factorization methods
- user ratings
- implicit feedback
- missing data
- transfer learning
- factor analysis
- collaborative filtering algorithms
- probabilistic matrix factorization
- knn
- stochastic gradient descent
- user profiles
- user interests
- high dimensional data
- user interaction