Keyphrases
- domain adaptation
- semi supervised
- multiple sources
- labeled data
- cross domain
- semi supervised learning
- unlabeled data
- sentiment classification
- target domain
- transfer learning
- feature extraction
- test data
- feature selection
- document classification
- manifold alignment
- co training
- active learning
- text classification
- training data
- data mining
- knowledge discovery
- data points
- pairwise
- data sets