J. Tane, C. Schmitz, and G. Stumme. WWW Alt. '04: Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, page 1--10. New York, NY, USA, ACM Press, (2004)
U. Reimer, A. Abecker, S. Staab, and G. Stumme (Eds.) GI e.V./Köllen Verlag, (2003)Proceedings der Konferenz WM2003. Luzern, CH, April 2-4. Lecture Notes in Informatics.
A. Hotho, and G. Stumme (Eds.) Universität Karlsruhe, (October 2003)Proceedings der Workshopwoche der GI-Fachgruppen/Arbeitskreise FGML, FGWM, ABIS, AKKD.
J. Hereth, G. Stumme, R. Wille, and U. Wille. Conceptual Structures:Logical, Linguistic, and Computational Issues. Proc. ICCS '00, Springer, Heidelberg, (2000)