A. Sarma. UCI-ISR-05-3. Institute for Software Research, Donald Bren School of Information
and Computer Sciences, University of California, Irvine, (марта 2005)
S. Hupfer, L. Cheng, S. Ross, и J. Patterson. Proceedings of ACM 2004 conference on Computer Supported Cooperative
Work (CSCW �04), ACM Press, New York, (2004)
E. Horvitz, J. Apacible, и M. Subramani. User Modeling 2005, 10th International Conference, UM 2005, Edinburgh,
Scotland, UK, July 24-29, 2005, Proceedings, том 3538 из Lecture Notes in Computer Science, Springer, (2005)