Analyses for elucidating current question answering technology.
Marc LightGideon S. MannEllen RiloffEric BreckPublished in: Nat. Lang. Eng. (2001)
Keyphrases
- question answering
- natural language processing
- named entities
- question classification
- information retrieval
- information extraction
- qa clef
- natural language
- syntactic information
- relation extraction
- passage retrieval
- cross language
- open domain question answering
- question answering systems
- natural language questions
- semantic roles
- qa systems
- information access
- answer validation