Question Analysis and Query Expansion in CS-CS IR4QA.
Maofu LiuFang FangQing HuJianxun ChenPublished in: NTCIR (2008)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- relevance feedback
- text retrieval
- retrieval effectiveness
- language model
- language modeling
- improving search
- retrieval model
- pseudo relevance feedback
- model for information retrieval
- trec genomics track
- vocabulary mismatch
- ranked retrieval
- ad hoc retrieval
- original query
- query terms
- passage retrieval
- document ranking
- query translation
- relevant documents
- query disambiguation
- machine learning