The Hybrid Nested/Hierarchical Dirichlet Process and its Application to Topic Modeling with Word Differentiation.
Tengfei MaIssei SatoHiroshi NakagawaPublished in: AAAI (2015)
Keyphrases
- topic modeling
- latent topics
- hierarchical dirichlet process
- topic models
- latent dirichlet allocation
- dirichlet process
- variational inference
- co occurrence
- generative model
- text mining
- latent variables
- lda model
- text classification
- text documents
- probabilistic model
- bag of words
- hierarchical bayesian model
- hidden markov models
- training data
- information retrieval
- gibbs sampling
- data mining
- feature space