Keyphrases
- mixture model
- user preferences
- gaussian mixture model
- em algorithm
- probabilistic model
- generative model
- density estimation
- expectation maximization
- mixture modeling
- unsupervised learning
- language model
- maximum likelihood
- model selection
- gaussian mixture
- recommender systems
- finite mixture model
- mixture of gaussians
- active learning
- information retrieval
- dirichlet processes