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- volume 3626 of LNAI, page 180-195. Springer, Heidelberg, (2005)http://www.springerlink.com/content/31aa2gtve59x3jh1/ .
- Journal Intelligent Information Systems JIIS 24(1):29-60 (2005)
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- Intl. J. Human-Comuter Studies IJHCS 59(3):287-325 (September 2003)
- Technical Report, volume 425. University of Karlsruhe, Institute AIFB, (2003)
- Journal of Applied Artificial Intelligence AAI 17(3):281-301 (2003)
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- Knowledge Discovery in Databases: PKDD 2003, 7th European Conference on Principles and Practice of Knowledge Discovery in Databases, volume 2838 of LNAI, page 217-228. Heidelberg, Springer, (2003)
- Lyon, France, (July 2002)
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- Wissensmanagement mit Referenzmodellen -- Konzepte für die Anwendungssystem- und Organisationsgestaltung, Physica, Heidelberg, (2002)
- Technique et Science Informatiques TSI 21(1):65-95 (2002)
- Database and Expert Systems Applications. Proc. DEXA 2002, volume 2453 of LNCS, page 534-546. Heidelberg, Springer, (2002)Invited Talk, summary of stumme02computing and pasquierinpressgenerating .
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- Proc. of E-Learning 2002 World Conference on E-Learning in Corporate, Government, Healthcare and Higher Education on E-Learning 2002, AACE, page 909-915. Norfolk, (2002)Awarded paper .
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