A probabilistic graphical model for joint answer ranking in question answering.
Jeongwoo KoEric NybergLuo SiPublished in: SIGIR (2007)
Keyphrases
- question answering
- candidate answers
- question answering systems
- question classification
- qa systems
- natural language questions
- answer validation
- information retrieval
- answering questions
- natural language
- qa clef
- answer extraction
- information extraction
- question answer pairs
- natural language processing
- cross language
- relation extraction
- passage retrieval
- named entities
- syntactic information
- correct answers
- sentence retrieval
- open domain question answering
- machine learning
- ranked list
- learning to rank
- knowledge base
- artificial intelligence