Statistical source expansion for question answering.
Nico SchlaeferJennifer Chu-CarrollEric NybergJames FanWlodek ZadroznyDavid A. FerrucciPublished in: CIKM (2011)
Keyphrases
- question answering
- information extraction
- natural language processing
- question classification
- information retrieval
- natural language questions
- passage retrieval
- open domain question answering
- qa clef
- syntactic information
- question answering systems
- natural language
- relation extraction
- cross language
- candidate answers
- named entities
- sentence retrieval
- retrieval systems
- multi modal
- knowledge base