Microblog hot topic detection based on topic model using term correlation matrix.
Huifang MaYue-Xin SunMei-Hui-Zi JiaZhichang ZhangPublished in: ICMLC (2014)
Keyphrases
- topic models
- correlation matrix
- microblog posts
- topic modeling
- latent dirichlet allocation
- relevance model
- generative model
- latent topics
- latent variables
- co occurrence
- text documents
- covariance matrix
- probabilistic topic models
- event detection
- text mining
- probabilistic model
- image processing
- feature selection
- high dimensional