Introduction to the Special Issue on Question Answering.
David GunningVinay K. ChaudhriChris WeltyPublished in: AI Mag. (2010)
Keyphrases
- question answering
- information extraction
- natural language processing
- natural language
- question classification
- information retrieval
- cross language
- qa clef
- named entities
- relation extraction
- passage retrieval
- natural language questions
- syntactic information
- open domain question answering
- answer validation
- semantic roles
- information retrieval systems
- answer extraction
- answering questions
- keywords