@inproceedingsLee_Geierhos_2009, place=Enschede, The Netherlands, series=Workshop Proceedings Series, title=Business Specific Online Information Extraction from German Websites, booktitle=Proceedings of the 9th Dutch-Belgian Information Retrieval Workshop, publisher=Centre for Telematics and Information Technology (CTIT), University of Twente, author=Lee, Yeong Su and Geierhos, Michaela, editor=Aly, Robin and Hauff, C. and Hiemstra, Djoerd and Huibers, Theo W.C. and de Jong, Franciska M.G.Editors, year=2009, pages=79–86, collection=Workshop Proceedings Series 

@inproceedingsLee_Geierhos_2009, place=Darmstadt, Germany, title=Key Expression driven Record Mining for Event Calendar Search, booktitle=KDML’09 Tagungsband. Workshop-Woche: Lernen - Wissen - Adaptivität. LWA 2009. 21.-23.09.2009, author=Lee, Yeong Su and Geierhos, Michaela, year=2009, pages=68–71 

@inbookLee_Geierhos_2009, place=Berlin, Germany, series=Lecture Notes in Computer Science, title=Business Specific Online Information Extraction from German Websites, volume=5449, DOI=10.1007/978-3-642-00382-0_30, booktitle=Computational Linguistics and Intelligent Text Processing: 5th International Conference, CICLing 2004, Seoul, Korea, February 15-21, 2004, Proceedings, publisher=Springer, author=Lee, Yeong Su and Geierhos, Michaela, editor=Gelbukh, AlexanderEditor, year=2009, pages=369–381, collection=Lecture Notes in Computer Science