see also:
http://www.katzenbach.com/Work/Publications/PublicationInstance/tabid/73/Default.aspx?Entity_ID=49
excerpt: http://harvardbusinessonline.hbsp.harvard.edu/b02/en/common/viewFileNavBean.jhtml?_requestid=156314
F. Ortega, J. Gonzalez-Barahona, and G. Robles. Hawaii International Conference on System Sciences, Proceedings of the 41st Annual, page 304-304. (2008)
K. Lerman. WebKDD/SNA-KDD '07: Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining and social network analysis, page 46--55. New York, NY, USA, ACM, (2007)
C. Marlow, M. Naaman, D. Boyd, and M. Davis. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, page 31--40. New York, NY, USA, ACM Press, (2006)
D. Hendry, and A. Carlyle. System Sciences, 2006. HICSS '06. Proceedings of the 39th Annual Hawaii International Conference on, 3, page 51b. Los Alamitos, CA, USA, IEEE Computer Society, (2006)
E. Clemons, G. Gao, and L. Hitt. System Sciences, 2006. HICSS '06. Proceedings of the 39th Annual Hawaii International Conference on, 6, page 116c- 116c. (2006)