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