Cluster-Based Language Model for Sentence Retrieval in Chinese Question Answering.
Youzheng WuJun ZhaoBo XuPublished in: SIGHAN@COLING/ACL (2006)
Keyphrases
- sentence retrieval
- language model
- question answering
- language modeling
- retrieval model
- passage retrieval
- information retrieval
- n gram
- query expansion
- document retrieval
- probabilistic model
- speech recognition
- information extraction
- pseudo relevance feedback
- natural language processing
- query terms
- retrieval effectiveness
- cross language
- feature selection
- vector space model
- test collection
- document representation
- relevance model
- natural language
- short queries
- tf idf
- cross lingual