Xbox movies recommendations: variational bayes matrix factorization with embedded feature selection.
Noam KoenigsteinUlrich PaquetPublished in: RecSys (2013)
Keyphrases
- matrix factorization
- variational bayes
- recommender systems
- feature selection
- hyperparameters
- collaborative filtering
- item recommendation
- model selection
- bayesian inference
- latent variables
- gaussian mixture model
- bayesian learning
- posterior distribution
- support vector
- latent dirichlet allocation
- free energy
- exponential family
- missing data
- mutual information
- bayesian framework
- cross validation
- random sampling
- log likelihood
- probabilistic model
- machine learning
- noise level
- closed form
- feature space
- topic models
- mixture model
- expectation maximization
- feature extraction
- maximum likelihood