Keyphrases
- domain adaptation
- multiple sources
- labeled data
- cross domain
- semi supervised
- semi supervised learning
- target domain
- sentiment classification
- manifold alignment
- unlabeled data
- transfer learning
- test data
- training data
- co training
- database systems
- covariate shift
- distance metric
- document classification
- data mining
- text classification
- active learning
- information retrieval