H. Kim. Proceedings of the First International Conference on Knowledge Science, Engineering and Management (KSEM'06), volume 4092 of Lecture Notes in Artificial Intelligence, page 202-214. Berlin, Germany, Springer, (August 2006)
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)
A. Hotho, R. J�schke, C. Schmitz, and G. Stumme. The Semantic Web: Research and Applications, volume 4011 of LNAI, page 411-426. Heidelberg, Springer, (June 2006)
C. Veres. Natural Language Processing and Information Systems, volume 3999/2006 of Lecture Notes in Computer Science, page 58-69. Berlin / Heidelberg, Springer, (July 2006)
J. Yeh, and S. hong Sie. Advances in Applied Artificial Intelligence, volume 4031 of Lecture Notes in Computer Science, page 982--989. Berlin / Heidelberg, Springer, (August 2006)