Steven Ritter, Stephen Blessing, Leslie Wheeler. User Modeling and Problem-Space Representation in the Tutor Runtime Engine. In Peter Brusilovsky, Albert T. Corbett, Fiorella de Rosis, editors, User Modeling 2003, 9th International Conference, UM 2003, Johnstown, PA, USA, June 22-26, 2003, Proceedings. Volume 2702 of Lecture Notes in Computer Science, pages 333-336, Springer, 2003. [doi]
Abstract is missing.