Semi-supervised learning with generative model for sentiment classification of stock messages.
Jiangjiao DuanBanghui LuoJianping ZengPublished in: Expert Syst. Appl. (2020)
Keyphrases
- generative model
- sentiment classification
- semi supervised learning
- semi supervised
- sentiment analysis
- text classification
- labeled data
- unlabeled data
- cross domain
- domain adaptation
- opinion mining
- probabilistic model
- supervised learning
- co training
- transfer learning
- discriminative models
- sentence level
- unsupervised learning
- label propagation
- semi supervised classification
- document level
- active learning
- text categorization
- training data
- em algorithm
- topic models
- prior knowledge
- machine learning
- cross lingual
- learning algorithm
- latent dirichlet allocation
- pairwise
- feature selection
- image classification
- dirichlet process mixture models
- knowledge transfer
- pairwise constraints
- dimensionality reduction
- learning environment