B. McLaren, K. Koedinger, M. Schneider, A. Harrer, and L. Bollen. Proceedings of the Workshop on Analyzing Student-Tutor Interaction Logs to Improve Educational Outcomes, Seventh International Conference on Intelligent Tutoring Systems (ITS-2004), , (2004)
M. Kuhn, H. Hoppe, A. Lingnau, and M. Fendrich. Proceedings of the IADIS conference of Cognition and Exploratory Learning in Digital Age, CELDA 2004, Lisbon, Portugal, , (2004)
A. Harrer. Proceedings of the Workshop on Teaching and Learning Systems - The Role of Artificial Intelligence in Past, Present and Future, German Conference on Artificial Intelligence KI-2004, Ulm, , (2004)
A. Harrer, and L. Bollen. Modellierung als Schlüsselkonzept in intelligenten Lehr-/Lernsystemen, Workshopband zur Tagung Modellierung 2004, Marburg, , (2004)
A. Harrer, L. Bollen, and U. Hoppe. Proc. of Workshop on Artificial Intelligence in Computer Supported Collaborative Learning at European Conference on Articificial Intelligence ECAI 2004, Valencia, , (2004)
L. Bollen, A. Harrer, and H. Hoppe. Proceedings of the 4th IEEE International Conference on Advanced Learning Technologies, ICALT 2004, page 1094-1095. , (2004)
K. Hoeksema, and H. Hoppe. Proceedings of the IADIS conference of Cognition and Exploratory Learning in Digital Age, CELDA 2004, Lisbon, Portugal, , (2004)
S. Zeini, N. Malzahn, and H. Hoppe. Virtuelle Organisationen und Neue Medien 2004. Workshop GeNeMe2004, Lohmar und Köln, Josef Eul Verlag, (2004)Gemeinschaft in Neuen Medien, TU Dresden, 7 und 8 Oktober 2004.
K. Hoeksema, M. Jansen, and H. Hoppe. Proceedings of the 4th EEEE International Conference on Advanced Learning Technologies, ICALT 2004,, page 888-889. Joensuu, Finland, , (2004)
N. Pinkwart, M. Jansen, M. Oelinger, L. Korchounova, and H. Hoppe. Workshop proceedings of the 3rd International Conference on Adaptive Hypermedia, page 372-376. Technische Universiteit Eindhoven, The Netherlands, , (2004)
M. Jansen, M. Oelinger, K. Hoeksema, and H. Hoppe. Proceedings of the 2nd IEEE International Workshop on Wireless and Mobile Technologies in Education, WMTE 2004, page 83-90. Los Alamitos, California (USA), , (2004)
L. Bollen, S. Eimler, and H. Hoppe. Proceedings of the 2nd IEEE International Workshop on Wireless and Mobile Technologies in Education, WMTE 2004, page 209-210. Los Alamitos, California (USA), , (2004)
M. Milrad, H. Hoppe, J. Gottdenker, and M. Jansen. Proceedings of the 2nd IEEE International Workshop on Wireless and Mobile Technologies in Education, WMTE 2004, page 182-186. Los Alamitos, California (USA), , (2004)