Stochastic Ml Simplex-structured Matrix Factorization under the Dirichlet Mixture Model.
Ruiyuan WuQiang LiWing-Kin MaPublished in: ICASSP (2019)
Keyphrases
- mixture model
- matrix factorization
- maximum likelihood
- em algorithm
- expectation maximization
- collaborative filtering
- gaussian mixture model
- low rank
- density estimation
- dirichlet prior
- generative model
- recommender systems
- factorization methods
- dirichlet distribution
- negative matrix factorization
- missing data
- probabilistic model
- unsupervised learning
- factor analysis
- data matrix
- variational inference
- nonnegative matrix factorization
- model selection
- low rank matrix
- probability density function
- computer vision
- hyperparameters
- active learning
- maximum a posteriori
- dimensionality reduction
- language model