Building Watson: A Grand Challenge in Automatic NL Question Answering.
David A. FerrucciKoichi TakedaPublished in: NTCIR (2010)
Keyphrases
- question answering
- grand challenge
- speech transcripts
- natural language
- natural language questions
- natural language processing
- syntactic information
- information retrieval
- answering questions
- named entities
- qa clef
- question classification
- information extraction
- question answering systems
- relation extraction
- passage retrieval
- candidate answers
- cross language
- qa systems
- text classification
- machine learning