Diagnosing and Improving Topic Models by Analyzing Posterior Variability.
Linzi XingMichael J. PaulPublished in: AAAI (2018)
Keyphrases
- topic models
- probabilistic model
- latent dirichlet allocation
- topic modeling
- latent variables
- generative model
- text mining
- text documents
- latent topic models
- latent topics
- posterior distribution
- text corpora
- co occurrence
- posterior probability
- variational inference
- bayesian framework
- probability distribution
- gibbs sampling
- microblog posts
- gaussian process
- training data
- maximum likelihood
- knowledge discovery
- relevance model
- image segmentation
- data mining