Hierarchical Topic Models for Expanding Category Hierarchies.
Kohei YamamotoKoji EguchiAtsuhiro TakasuPublished in: BigComp (2019)
Keyphrases
- topic models
- hierarchical structure
- pitman yor process
- topic modeling
- latent dirichlet allocation
- text documents
- latent topics
- text mining
- generative model
- probabilistic model
- latent topic models
- latent variables
- hierarchical bayesian model
- gibbs sampling
- data mining
- probabilistic latent semantic analysis
- lda model
- visual recognition
- co occurrence
- news articles
- bayesian networks
- machine learning
- databases