user- Proceedings of nineteenth Annual Workshop on Information Technologies and Systems WITS 2009, Phoenix, Arizona, USA, (2009)
- Proceedings of WikiSym 2008, Libresoft, (2008)
- Research Paper, No. 4732-09. MIT, Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA, (February 2009)
- WikiSym '07: Proceedings of the 2007 international symposium on Wikis, page 75--86. New York, NY, USA, ACM, (2007)
- New York University, New York, NY, (May 2008)
- (2005)
- World Wide Web (2006)
- (April 2006)
