Business Specific Online Information Extraction from German Websites
Y.S. Lee, M. Geierhos, in: R. Aly, C. Hauff, D. Hiemstra, T.W.C. Huibers, F.M.G. de Jong (Eds.), Proceedings of the 9th Dutch-Belgian Information Retrieval Workshop, Centre for Telematics and Information Technology (CTIT), University of Twente, Enschede, The Netherlands, 2009, pp. 79–86.

Key Expression driven Record Mining for Event Calendar Search
Y.S. Lee, M. Geierhos, in: KDML’09 Tagungsband. Workshop-Woche: Lernen - Wissen - Adaptivität. LWA 2009. 21.-23.09.2009, Darmstadt, Germany, 2009, pp. 68–71.

Business Specific Online Information Extraction from German Websites
Y.S. Lee, M. Geierhos, in: A. Gelbukh (Ed.), Computational Linguistics and Intelligent Text Processing: 5th International Conference, CICLing 2004, Seoul, Korea, February 15-21, 2004, Proceedings, Springer, Berlin, Germany, 2009, pp. 369–381.