Semantic multi-grain mixture topic model for text analysis.
Jianping ZengJiangjiao DuanWei WangChengrong WuPublished in: Expert Syst. Appl. (2011)
Keyphrases
- text analysis
- topic models
- text documents
- topic discovery
- text mining
- topic modeling
- latent dirichlet allocation
- lda model
- probabilistic model
- text corpora
- mixture model
- generative model
- information extraction
- co occurrence
- latent variables
- word pairs
- natural language
- news articles
- natural language processing
- latent topics
- text classification
- gibbs sampling
- variational inference
- data mining
- databases
- text collections
- textual data
- text data
- expectation maximization
- information retrieval systems
- knowledge base
- dirichlet process
- image retrieval
- data analysis