Question Answering Using "Common Sense" and Utility Maximization Principle.
Tomoyosi AkibaKatunobu ItouAtsushi FujiiPublished in: NTCIR (2004)
Keyphrases
- question answering
- utility maximization
- utility function
- natural language processing
- question classification
- information retrieval
- named entities
- syntactic information
- stochastic gradient
- information extraction
- natural language questions
- natural language
- passage retrieval
- qa clef
- sample path
- cross language
- question answering systems
- answering questions
- artificial intelligence
- answer extraction
- sentence retrieval
- answer validation
- machine learning