A Robust Bayesian Probabilistic Matrix Factorization Model for Collaborative Filtering Recommender Systems Based on User Anomaly Rating Behavior Detection.
Hongtao YuLijun SunFuzhi ZhangPublished in: KSII Trans. Internet Inf. Syst. (2019)
Keyphrases
- probabilistic matrix factorization
- collaborative filtering
- recommender systems
- collaborative filtering recommender systems
- anomaly detection
- end users
- normal behavior
- em algorithm
- maximum likelihood
- probability distribution
- user interaction
- parameter estimation
- closed form
- user model
- matrix factorization
- bayesian inference
- bayesian model
- expectation maximization