M. Tzagarakis, и C. Atzenbeck. SociUM: Adaptation and personalization in social systems: groups, teams, communities, стр. 45–49. (2007)Workshop proceedings in conjunction with the 11th international conference on User Modeling.
D. Millard, и M. Ross. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, стр. 27--30. New York, NY, USA, ACM, (2006)