Keyphrases
- semi supervised learning
- bias variance decomposition
- semi supervised
- unlabeled data
- labeled data
- supervised learning
- unsupervised learning
- text categorization
- learning problems
- co training
- variance reduction
- active learning
- machine learning
- training data
- bias variance
- learning models
- data sets
- maximum likelihood
- training examples
- prediction accuracy
- transfer learning
- text classification
- pairwise
- clustering algorithm