On the evolution of the yahoo! answers QA community.
Yandong LiuEugene AgichteinPublished in: SIGIR (2008)
Keyphrases
- question answer
- community question answering
- question answering
- qa systems
- candidate answers
- search engine
- frequently asked questions
- question answering systems
- natural language questions
- virtual communities
- answer extraction
- social groups
- open domain
- learning community
- open domain question answering
- community structure
- qa clef
- question classification
- natural selection
- community detection
- evolution process
- artificial life
- correct answers