Keyphrases
- positive and unlabeled examples
- text classifiers
- text classification
- positive examples
- text categorization
- unlabeled documents
- training examples
- negative examples
- naive bayes
- positive and negative
- document classification
- labeled documents
- active learning
- image classification
- training data
- semi supervised learning
- text data
- feature selection
- machine learning
- learning algorithm
- text documents
- data sets
- unlabeled data
- k nearest neighbor
- decision trees