A Topic Model for Hierarchical Documents.
Yang YangFeifei WangFei JiangShuyuan JinJin XuPublished in: DSC (2016)
Keyphrases
- topic models
- topic modeling
- text documents
- latent topics
- pitman yor process
- latent dirichlet allocation
- topic discovery
- probabilistic topic models
- lda model
- text mining
- text corpora
- author topic model
- probabilistic model
- language modeling framework
- generative model
- statistical topic models
- latent variables
- word pairs
- relevance model
- document classification
- co occurrence
- information retrieval
- news articles
- gibbs sampling
- hierarchical dirichlet process
- document clustering
- latent semantic analysis
- information retrieval systems
- bayesian nonparametric
- bag of words
- document collections
- baseline models
- text classification
- keywords
- knowledge discovery
- latent topic model
- machine learning
- query expansion
- text analysis