Keyphrases
- semi supervised learning
- probabilistic model
- semi supervised
- unlabeled data
- labeled data
- unsupervised learning
- graphical models
- semi supervised classification
- machine learning
- expectation maximization
- training data
- discriminative models
- manifold regularization
- generative model
- supervised learning
- conditional random fields
- bayesian networks
- learning problems
- label propagation
- graph based semi supervised learning
- language model
- domain adaptation
- learning models
- topic models
- semi supervised learning methods
- active learning
- co training
- em algorithm
- regularization framework
- metric learning
- labeled and unlabeled data
- improve the classification accuracy