Keyphrases
- latent factors
- latent factor models
- matrix factorization
- factor analysis
- collaborative filtering
- implicit feedback
- recommender systems
- latent variables
- topic models
- social networks
- online social networks
- social network analysis
- explicit feedback
- probabilistic latent semantic analysis
- latent dirichlet allocation
- personalized recommendation
- social networking
- user feedback
- nonnegative matrix factorization
- eye tracking
- user preferences
- recommendation algorithms
- recommendation systems
- missing data
- probabilistic model
- negative matrix factorization
- topic modeling
- data mining
- discriminant analysis