A word clustering approach for language model-based sentence retrieval in question answering systems.
Saeedeh MomtaziDietrich KlakowPublished in: CIKM (2009)
Keyphrases
- sentence retrieval
- question answering systems
- question answering
- natural language
- passage retrieval
- information retrieval
- keywords
- novelty detection
- document retrieval
- retrieval model
- document clustering
- user queries
- cross language
- language modeling
- n gram
- query expansion
- multi modal
- language model
- co occurrence
- database systems