Keyphrases
- probabilistic model
- collaborative filtering
- recommender systems
- matrix factorization
- bayesian networks
- generative model
- language model
- latent variables
- user preferences
- data sparsity
- expectation maximization
- cold start problem
- recommendation systems
- expert systems
- recommendation quality
- transfer learning
- probabilistic matrix factorization
- topic models
- prediction accuracy
- user profiles
- user ratings
- multiscale
- case study
- artificial intelligence