Keyphrases
- transfer learning
- collaborative filtering
- data sparsity
- learning tasks
- knowledge transfer
- labeled data
- reinforcement learning
- transfer knowledge
- cross domain
- machine learning
- structure learning
- manifold alignment
- machine learning algorithms
- text classification
- semi supervised learning
- text categorization
- text mining
- active learning
- recommender systems
- domain adaptation
- feature extraction
- learning algorithm
- information retrieval
- data mining
- neural network
- data sets