Dynamic joint sentiment-topic model.
Yulan HeChenghua LinWei GaoKam-Fai WongPublished in: ACM Trans. Intell. Syst. Technol. (2013)
Keyphrases
- topic models
- latent dirichlet allocation
- topic modeling
- probabilistic model
- probabilistic topic models
- co occurrence
- text documents
- latent topics
- text mining
- gibbs sampling
- latent variables
- text corpora
- generative model
- word pairs
- microblog posts
- topic discovery
- databases
- posterior distribution
- parameter estimation
- information extraction
- probability distribution
- information retrieval