EM Optimization of Latent-Variables Density Models.
Christopher M. BishopMarkus SvensénChristopher K. I. WilliamsPublished in: NIPS (1995)
Keyphrases
- latent variables
- probabilistic model
- latent variable models
- hidden variables
- prior knowledge
- structured prediction
- probabilistic latent semantic analysis
- expectation maximization
- generative model
- posterior distribution
- hierarchical model
- mixture model
- real valued
- factor graphs
- data sets
- random variables
- topic models
- graphical models
- observed variables
- variational approximation
- bayesian framework
- probabilistic principal component analysis
- conditional random fields
- pairwise
- information retrieval