FDUQA on TREC 2007 QA Track.
Xipeng QiuBo LiChao ShenLide WuXuanjing HuangYaqian ZhouPublished in: TREC (2007)
Keyphrases
- question answering
- information retrieval
- natural language
- question answering systems
- information extraction
- natural language processing
- test collection
- open domain
- question classification
- qa systems
- clef ip
- answer extraction
- passage retrieval
- open domain question answering
- retrieval effectiveness
- relevance feedback
- intellectual property
- candidate answers
- machine learning
- cross language
- query expansion
- blog opinion retrieval