Hierarchical Re-estimation of Topic Models for Measuring Topical Diversity.
Hosein AzarbonyadMostafa DehghaniTom KenterMaarten MarxJaap KampsMaarten de RijkePublished in: CoRR (2017)
Keyphrases
- topic models
- topic modeling
- pitman yor process
- latent dirichlet allocation
- probabilistic model
- text mining
- text documents
- latent variables
- generative model
- latent topics
- latent topic models
- hierarchical bayesian model
- co occurrence
- gibbs sampling
- text corpora
- variational inference
- probabilistic latent semantic analysis
- parameter estimation
- feature space
- lda model
- probabilistic topic models
- information retrieval
- bayesian networks