J. Kahan, и M. Koivunen. WWW '01: Proceedings of the 10th international conference on World Wide Web, стр. 623--632. New York, NY, USA, ACM Press, (2001)
S. Bryant, A. Forte, и A. Bruckman. GROUP '05: Proceedings of the 2005 international ACM SIGGROUP conference on Supporting group work, стр. 1--10. New York, NY, USA, ACM Press, (2005)
V. Uren, E. Motta, M. Dzbor, и P. Cimiano. K-CAP '05: Proceedings of the 3rd international conference on Knowledge capture, стр. 75--82. New York, NY, USA, ACM Press, (2005)
F. Lorenzi, F. Ricci, R. Tostes, и R. Brasil. In: Intelligent Techniques in Web Personalisation. LNAI. Springer-Verlag, стр. 89--113. Springer Verlag, (2005)