8Nam K K, Ackerman M S, Adamic LA. Questions in, knowledge in: a study of naver' s question answering community[A]/ /Proceedings of the 27th International Conference on Human Factors in Computing Systems [ C]. New York : ACM Press, 2009: 779-788.
9Oh S. The relationships between motivations and answering strategies: An exploratory review of health answerers' behaviors in Yahoo I Answers [J]. Proceedings of the American Society for Information Science and Technology, 2011,48(1): 1-9.
10Agichtein E, Castillo C, Donato D, et al. Finding high quality content in social media[A]//WSDM '08 Proceedings of the International Conference on Web Search and Web Data Mining[C]. New York:ACM,2008: 183-194.
