Keyphrases
- domain adaptation
- semi supervised
- manifold alignment
- pos tagging
- cross domain
- labeled data
- supervised learning
- semi supervised learning
- multiple sources
- recommender systems
- collaborative filtering
- sentiment classification
- transfer learning
- unlabeled data
- covariate shift
- test data
- document classification
- unsupervised learning
- user preferences
- target domain
- co training
- training data
- machine learning
- general purpose
- information retrieval
- data mining
- facial expressions
- natural language