R. Studer, G. Stumme, S. Handschuh, A. Hotho, и B. Motik. New Trends in Knowledge Processing - Data Mining, Semantic Web and Computational Science. Proc. 6th Sanken International Symposium, стр. 31-34. Osaka, Japan, (марта 2003)March 10-11, 2003.
D. Oberle, B. Berendt, A. Hotho, и J. Gonzalez. Advances in Web Intelligence, First International Atlantic Web Intelligence Conference, AWIC 2003, Madrid, Spain, May 5-6, 2003, Proceedings, том 2663 из Lecture Notes in Artificial Intelligence, стр. 142-154. Springer, (2003)