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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)
S. Ziebarth, N. Malzahn, and H. Hoppe. Proceedings of the 14th International Conference on Artificial Intelligence in Education (AIED 2009), Brighton, England, (July 2009)
A. Harrer, S. Zeini, and S. Ziebarth. Proceedings of the 2009 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2009), Athens, Greece, (July 2009)
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A. Harrer, and L. Bollen. Modellierung als Schlüsselkonzept in intelligenten Lehr-/Lernsystemen, Workshopband zur Tagung Modellierung 2004, Marburg, , (2004)
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)
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