Y. Miao, K. Hoeksema, H. Hoppe, and A. Harrer. Proceedings of the International Conference on Computer Supported Collaborative Learning (CSCL2005), Taiwan, (2005)
A. Harrer, M. Vetter, S. Thür, and J. Brauckmann. AIED, volume 125 of Frontiers in Artificial Intelligence and Applications, page 816-818. IOS Press, (2005)
S. Lohmann, S. Thalmann, A. Harrer, and R. Maier. Proceedings of I-KNOW ´08, 8th International Conference on Knowledge Management, Graz, Austria, September 3-5, page 304-312. (2008)
A. Harrer, and M. Schneider. Forschungsbeiträge zur \frqqDidaktik der
Informatik\flqq -- Theorie, Praxis, Evaluation. 1.
GI-Workshop DDI'02 (Schwerpunkt: Modellierung in der
informatischen Bildung, 10.--11.~Okt.~2002 in
Witten-Bommerholz, P~22, page 67--76. Bonn, Gesellschaft für Informatik -- Didaktik-Workshop, Köllen Druck + Verlag GmbH, (Oktober 2002)http://www.die.informatik.uni-siegen.de/DIE_BIB/proceedings/gi-lni-22.pdf --
http://ddi.uni-paderborn.de/gi/materialien.html#c7314
including presentations---last visited $17^th$~November~2007.
N. Malzahn, A. Harrer, and S. Zeini. Mice, Minds, and Society - The Computer Supported
Collaborative Learning (CSCL) Conference 2007, 8, page 547--550. International Society of the Learning Sciences, (2007)
A. Harrer, L. Kobbe, and N. Malzahn. Mice, Minds, and Society - The Computer Supported
Collaborative Learning (CSCL) Conference 2007, 8, page 277--279. International Society of the Learning Sciences, (2007)
H. Andreas, N. Malzahn, S. Zeini, and H. Hoppe. Mice, Minds, and Society - The Computer Supported
Collaborative Learning (CSCL) Conference 2007, 8, page 267--276. International Society of the Learning Sciences, (2007)
A. Harrer, N. Malzahn, K. Hoeksema, and H. Hoppe. Journal of Interactive Media in Education, (2005)Journal of Interactive Media in Education (Advances in
Learning Design. Special Issue, eds. Colin Tattersall,
Rob Koper), 2005/05. ISSN:1365-893X.
A. Harrer, A. Lucarz, and N. Malzahn. Groupware: Design, Implementation, and Use, 13th
International Workshop, CRIWG 2007, Bariloche,
Argentina, September 16-20, 2007, Proceedings, 4715, page 239--246. Berlin / Heidelberg, Springer, (2007)
N. Malzahn, S. Zeini, and A. Harrer. Modeling and Using Context, 5th International and
Interdisciplinary Conference, CONTEXT 2005, page 292--303. Paris, France, Springer, (2005)CONTEXT 2005, Paris, France, July 5-8, 2005.
A. Harrer, and L. Bollen. Modellierung als Schlüsselkonzept in intelligenten Lehr-/Lernsystemen, Workshopband zur Tagung Modellierung 2004, Marburg, , (2004)
M. Jansen, K. Sachdeva, and A. Harrer. Proceedings of the Workshop on Expressive Media and Intelligent Tools for Learning (German Conference on Artificial Intelligence KI-2003), , (2003)Hamburg 2003.
N. Pinkwart, A. Harrer, S. Lohmann, and S. Vetter. Proceedings of the 4th In-ternational Conference on Web-Based Education, page 201-206. Anaheim (CA), ACTA Press, (2005)
Y. Miao, K. Hoeksema, H. Hoppe, and A. Harrer. Proceedings of the International Conference on Computer Supported Collaborative Learning (CSCL2005), Taiwan, , (2005)
A. Harrer, R. Hever, and S. Ziebarth. Artificial Intelligence in Education - Building Technology Rich Learning Contexts that Work, 158, page 503-510. Amsterdam, IOS Press, (2007)
L. Bollen, A. Harrer, H. Hoppe, and W. van Joolingen. The 7th IEEE International Conference on Advanced Learning Technologies ICALT 2007, page 15-17. Los Alamitos, CA., IEEE Computer Society, (2007)
H. Andreas, N. Malzahn, S. Zeini, and H. Hoppe. Mice, Minds, and Society - The Computer Supported Collaborative Learning (CSCL) Conference 2007, 8, page 267-276. International Society of the Learning Sciences, (2007)