Keyphrases
- financial news
- topic models
- stock market
- linear discriminant analysis
- latent dirichlet allocation
- face recognition
- discriminant analysis
- knowledge discovery
- text mining
- generative model
- data mining
- text streams
- pattern mining
- principal component analysis
- information technology
- topic modeling
- information retrieval
- social networks
- chinese characters
- svm classifier
- dimensionality reduction