Exploring Symmetrical and Asymmetrical Dirichlet Priors for Latent Dirichlet Allocation.
Shaheen SyedMarco SpruitPublished in: Int. J. Semantic Comput. (2018)
Keyphrases
- latent dirichlet allocation
- dirichlet prior
- lda model
- topic models
- dirichlet distribution
- hierarchical bayesian model
- generative model
- mixture model
- topic modeling
- topic discovery
- gibbs sampling
- variational bayesian inference
- language model
- discrete data
- variational inference
- latent topics
- em algorithm
- text mining
- probabilistic latent semantic analysis
- machine learning
- bayesian framework
- latent topic models
- hierarchical bayesian
- word counts
- prior distribution
- probabilistic topic models
- probability distribution
- probabilistic model
- prior knowledge
- support vector
- training data