Is this urgent?: exploring time-sensitive information needs in collaborative question answering.
Yandong LiuNitya NarasimhanVenu VasudevanEugene AgichteinPublished in: SIGIR (2009)
Keyphrases
- question answering
- sensitive information
- third party
- privacy preserving
- information retrieval
- original data
- information extraction
- question classification
- privacy protection
- natural language processing
- passage retrieval
- qa clef
- cross language
- syntactic information
- natural language
- answering questions
- machine learning
- question answering systems
- qa systems
- natural language questions
- open domain question answering
- database
- answer validation