Keyphrases
- query translation
- query expansion
- relevance feedback
- information retrieval
- information retrieval systems
- retrieval model
- patent retrieval
- retrieval effectiveness
- cross language information retrieval
- relevant documents
- document retrieval
- pseudo relevance feedback
- language modeling
- query terms
- monolingual information retrieval
- cross language
- text retrieval
- english chinese
- language model
- cross language retrieval
- parallel corpora
- machine translation
- retrieval systems
- image retrieval
- machine translation system
- learning algorithm
- search engine
- translation model
- active learning
- cross lingual
- information extraction
- passage retrieval
- search sessions
- feature space
- short queries
- knowledge representation
- text mining