N. Pinkwart. A Plug-In Architecture for Graph Based Collaborative Modeling Systems. Proceedings of the 11th International Conference on Artificial Intelligence in Education (AIED), IOS Press, issue 97, 2003.

N. Pinkwart. A Plug-In Architecture for Graph Based Collaborative Modeling Systems. Supplementary Proceedings of the 11th Conference on Artificial Intelligence in Education (AIED), SIT, 2003.

K. Herrmann, H. Hoppe, and N. Pinkwart. A Checking Mechanism for Visual Language Environments. Proceedings of the 11th International Conference on Artificial Intelligence in Education (AIED), IOS Press, issue 97, 2003.

L. Bollen, N. Pinkwart, M. Kuhn, and H. U. Hoppe. Interaktives Präsentieren und kooperatives Modellieren. Szenarien akademischen Lehrens und Lernens in Informatik und Naturwissenschaften. Digitaler Campus. Vom Medienprojekt zum nachhaltigen Medieneinsatz in der Hochschule, Waxmann Verlag, 2003.

N. Pinkwart, H. U. Hoppe, M. Milrad, and J. Perez. Educational Scenarios for cooperative use of Personal Digital Assistants. Journal of Computer Assisted Learning, volume 19, issue 3, 2003.

K. Gaßner, H. U. Hoppe, A. Lingnau, and N. Pinkwart. Handlungsorientierte Kommunikationsmedien als "mind tools". Künstliche Intelligenz, volume 17, issue 2, 2003.