L. Bollen, N. Pinkwart, M. Kuhn, and H. Hoppe. Digitaler Campus. Vom Medienprojekt zum nachhaltigen Medieneinsatz in der Hochschule. (Reihe Medien in der Wissenschaft), Münster, Waxmann Verlag, (2003)
N. Pinkwart. Shaping the Future of Learning through Intelligent Technologies. Proceedings of the 11th Conference on Artificial Intelligence in Education, page 535-536. Amsterdam, IOS Press, (2003)
K. Herrmann, H. Hoppe, and N. Pinkwart. Shaping the Future of Learning through Intelligent Technologies. Proceedings of the 11th Conference on Artificial Intelligence in Education, page 97-104. Amsterdam, IOS Press, (2003)
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)