News text classification model based on topic model.
Zhenzhong LiWenqian ShangMenghan YanPublished in: ICIS (2016)
Keyphrases
- text classification
- topic models
- topic tracking
- topic modeling
- text mining
- text documents
- topic discovery
- news articles
- latent dirichlet allocation
- bag of words
- text categorization
- latent topics
- feature selection
- machine learning
- probabilistic model
- text data
- n gram
- co occurrence
- document classification
- variational inference
- multi label
- latent variables
- generative model
- text classifiers
- natural language processing
- keywords
- baseline models
- labeled data
- information extraction
- knn
- microblog posts
- data mining
- news stories
- dimensionality reduction
- gibbs sampling
- text streams
- probabilistic topic models