Parallelized Variational EM for Latent Dirichlet Allocation: An Experimental Evaluation of Speed and Scalability.
Ramesh NallapatiWilliam W. CohenJohn D. LaffertyPublished in: ICDM Workshops (2007)
Keyphrases
- latent dirichlet allocation
- generative model
- topic models
- probabilistic latent semantic analysis
- gibbs sampling
- topic modeling
- lda model
- image segmentation
- topic discovery
- variational inference
- variational bayesian inference
- probabilistic model
- expectation maximization
- text mining
- latent semantic analysis
- em algorithm
- variational bayes
- latent topics
- latent variable models
- probabilistic topic models
- mixture model
- latent topic models
- databases
- word counts
- machine learning
- variational methods
- dimensionality reduction
- feature space
- approximate inference
- graph cuts
- maximum likelihood
- pattern recognition