University of Chicago at NTCIR4 CLIR: Multi-Scale Query Expansion.
Gina-Anne LevowPublished in: NTCIR (2004)
Keyphrases
- query expansion
- multiscale
- query translation
- patent retrieval
- retrieval effectiveness
- cross language information retrieval
- test collection
- information retrieval systems
- language model
- information retrieval
- query terms
- pseudo relevance feedback
- relevance feedback
- vocabulary mismatch
- text retrieval
- english chinese
- web retrieval
- relevant documents
- language modeling
- retrieval model
- cross lingual information retrieval
- automatic query expansion
- retrieved documents
- original query
- machine translation system
- query specific
- digital libraries