1. Adamic LA, Zhang J, Bakshy E, Ackerman MS: Knowledge sharing and yahoo answers: everyone knows something. Paper presented in the 17th international conference on World Wide Web. Beijing, China, 21–25 April 2008; 2008.
2. Mamykina L, Manoim B, Mittal M, Hripcsak G, Hartmann B: Design lessons from the fastest Q&A site in the West. Paper presented in human factors, CHI ’11. Canada,: Vancouver; 2011. 7–12 May 2011
3. Nam K, Ackerman MS, Adamic L: Questions in, knowledge in?: a study of Naver’s question answering community. Paper presented at conference on human factors in computing systems. Boston, MA, USA,; 2009. 4–9 April 2009
4. Fugelstad P, Dwyer P, Filson Moses J, Kim J, Mannino CA, Terveen L, Snyder M: What makes users rate (share, tag, edit …)? Predicting patterns of participation in online communities. Paper presented at the conference on computer supported cooperative work. Seattle, WA, USA, 11–15 Feb 2012; 2012:969–978.
5. Tausczik YR, Pennebaker JW: Participation in an online mathematics community: differentiating motivations to add. Paper presented at the conference on computer supported cooperative work. Seattle, WA, USA, 11–15 Feb 2012; 2012:207–216.