J. Gonzalez-Olalla, and G. Stumme. Semantic Web Mining. Proc. of the Semantic Web Mining Workshop of the 13th Europ. Conf., page 90. Helsinki, (August 2002)
C. Schmitz, S. Staab, R. Studer, G. Stummen, and J. Tane. 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.
M. Ehrig, J. Hartmann, and C. Schmitz. Workshop ``Semantische Technologien für Informationsportale'' (GI-Jahrestagung 2004), Gesellschaft für Informatik, (September 2004)
B. Berendt, A. Hotho, and G. Stumme. Proc. of the 1st Intl. Workshop on Representation and Analysis of Web Space, page 1-16. Technical University of Ostrava, (2005)