V. Kaptelinin, K. Danielsson, and U. Hedestig. Paper presented at the First Kaleidoscope SIG CSCL Conference (Lausanne, Switzerland, October 2004), (2004)
V. Barre, C. Chaquet, and H. El-Kechaï. Proceedings of Artificial Intelligence in Education: Workshop on Usage Analysis in Learning Systems, Amsterdam, (2005)
M. Masuch, and M. Rüger. Proceedings of the 3rd Confernece on Creating, Connecting and Collaborating through Computing, 2005. (C5 2005), page 67-74. Cambridge, MA, (2005)
M. Scaife, Y. Rogers, F. Aldrich, and M. Davies. CHI '97: Proceedings of the SIGCHI conference on Human factors in computing systems, page 343-350. New York, NY, USA, ACM Press, (1997)