Dense Distributions from Sparse Samples: Improved Gibbs Sampling Parameter Estimators for LDA.
Yannis PapanikolaouJames R. FouldsTimothy N. RubinGrigorios TsoumakasPublished in: J. Mach. Learn. Res. (2017)
Keyphrases
- gibbs sampling
- latent dirichlet allocation
- topic models
- lda model
- sampling methods
- parameter estimation
- markov chain
- generative model
- em algorithm
- approximate inference
- expectation maximization
- high dimensional
- belief networks
- latent variables
- sparse representation
- exact inference
- linear discriminant analysis
- random variables
- training samples
- text mining
- probability distribution
- probabilistic model
- maximum likelihood
- variational inference