Keyphrases
- question answering
- domain adaptation
- multiple sources
- co training
- target domain
- semi supervised learning
- semi supervised
- named entities
- labeled data
- cross domain
- unlabeled data
- natural language
- transfer learning
- natural language processing
- passage retrieval
- information extraction
- sentiment classification
- information retrieval
- supervised learning
- domain specific
- active learning
- training set
- training data
- training samples
- multi view
- text classification
- machine learning
- text categorization
- k nearest neighbor
- test data
- data sets
- text mining
- collaborative filtering
- prior knowledge
- feature space
- feature selection