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)
J. Tane, C. Schmitz, G. Stumme, S. Staab, and R. Studer. Mobiles Lernen und Forschen - Beiträge der Fachtagung an der Universität, page 93-104. Kassel University Press, (November 2003)
B. Ganter, and G. Stumme. Conceptual Structures for Knowledge Creation and Communication., volume 2746 of LNAI, page 131-145. Heidelberg, Springer, (2003)
A. Hotho, S. Staab, and G. Stumme. Proceedings of the 2003 IEEE International Conference on Data Mining, page 541-544 (Poster. Melbourne, Florida, IEEE Computer Society, (November 2003)