Optimization Matrix Factorization Recommendation Algorithm Based on Rating Centrality.
Zhipeng WuHui TianXuzhen ZhuShuo WangPublished in: CoRR (2018)
Keyphrases
- matrix factorization
- collaborative filtering
- recommendation algorithms
- recommender systems
- stochastic gradient descent
- recommendation systems
- data sparsity
- user preferences
- personalized recommendation
- recommendation quality
- rating prediction
- low rank
- cold start
- nonnegative matrix factorization
- collaborative filtering recommendation
- cold start problem
- collaborative filtering algorithms
- negative matrix factorization
- item recommendation
- probabilistic matrix factorization
- implicit feedback
- factor analysis
- social network analysis
- tensor factorization
- factorization methods
- multiscale
- user ratings
- filtering algorithm
- binary matrix
- user profiles
- user interests
- image segmentation