TREC 2003 QA at BBN: Answering Definitional Questions.
Jinxi XuAna LicuananRalph M. WeischedelPublished in: TREC (2003)
Keyphrases
- question answering
- qa systems
- question answering systems
- answer extraction
- natural language questions
- open domain
- qa clef
- candidate answers
- answer validation
- information retrieval
- passage retrieval
- open domain question answering
- question answer pairs
- natural language processing
- natural language
- information extraction
- question classification
- bayesian belief networks
- cross language
- query answering
- graphical models
- syntactic information
- answering queries