Evaluating Causal Questions for Question Answering.
Sodel Vazquez-ReyesWilliam J. BlackPublished in: ENC (2008)
Keyphrases
- question answering
- qa systems
- natural language questions
- question answering systems
- answer extraction
- qa clef
- candidate answers
- question answer pairs
- answering questions
- open domain question answering
- information retrieval
- information extraction
- question classification
- passage retrieval
- answer validation
- named entities
- natural language processing
- natural language
- cross language
- syntactic information
- relation extraction
- semantic roles
- correct answers
- evaluation methodology
- sql queries
- probabilistic model
- bayesian networks