Probabilistic question answering on the web.
Dragomir R. RadevWeiguo FanHong QiHarris WuAmardeep GrewalPublished in: WWW (2002)
Keyphrases
- question answering
- answering questions
- question answering systems
- information retrieval
- named entities
- natural language processing
- web documents
- question answer pairs
- natural language
- information extraction
- syntactic information
- web pages
- qa clef
- question classification
- cross language
- passage retrieval
- probabilistic model
- bayesian networks
- relation extraction
- open domain question answering
- textual entailment recognition
- language model
- answer validation