Keyphrases
- language model
- domain adaptation
- language modeling
- document retrieval
- cross domain
- semi supervised
- multiple sources
- transfer learning
- probabilistic model
- information retrieval
- n gram
- retrieval model
- labeled data
- semi supervised learning
- query expansion
- target domain
- test collection
- document classification
- pseudo relevance feedback
- test data
- data sets
- unlabeled data
- high dimensional
- co training
- training data
- retrieval systems
- vector space
- machine learning algorithms
- text classification
- data points
- sentiment classification
- feature selection
- relevance model