A. Takasu. JCDL '03: Proceedings of the 3rd ACM/IEEE-CS joint conference on Digital libraries, page 49--60. Washington, DC, USA, IEEE Computer Society, (2003)
J. Kubica, A. Moore, J. Schneider, and Y. Yang. Proceedings of the Eighteenth National Conference on Artificial Intelligence, page 798--804. AAAI Press/MIT Press, (July 2002)
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, A. Hotho, R. Jäschke, and G. Stumme. Data Science and Classification. Proceedings of the 10th IFCS Conf., page 261--270. Heidelberg, Springer, (July 2006)
S. Göbel, M. Heidemann, U. Jasnoch, and G. Stumme. Hypermedia im Umweltschutz. 3. Workshop in Ulm 2000, Umwelt-Informatik aktuell, Bd. 24, page 169-179. Marburg, (2000)
S. Prediger, and G. Stumme. Proc. 6th Intl. Workshop Knowledge Representation Meets Databases (KRDB'99), CEUR Workshop Proc. 21, (1999)Also in: P. Lambrix et al (Eds.): Proc. Intl. Workshop on Description Logics (DL'99). CEUR Workshop Proc. 22, 1999
http://ceur-ws.org/Vol-21.