Gaussian-Gamma collaborative filtering: A hierarchical Bayesian model for recommender systems.
Cheng LuoBo ZhangYang XiangMan QiPublished in: J. Comput. Syst. Sci. (2019)
Keyphrases
- collaborative filtering
- recommender systems
- hierarchical bayesian model
- transfer learning
- topic modeling
- generative model
- hierarchical bayesian
- matrix factorization
- topic models
- latent dirichlet allocation
- data sparsity
- cold start problem
- user preferences
- recommendation systems
- personalized recommendation
- cold start
- recommendation quality
- approximate inference
- user profiles
- product recommendation
- netflix prize
- probabilistic matrix factorization
- collaborative filtering recommender systems
- user ratings
- maximum likelihood
- image segmentation
- recommendation algorithms
- collaborative filtering algorithms
- message passing
- latent factor models
- probabilistic model
- training data
- machine learning