R. Hutchinson, L. Liu, and T. Dietterich. Proceedings of the Twenty-Fifth AAAI Conference on Artificial Intelligence, page 1343--1348. Association for the Advancement of Artificial Intelligence, (2011)
S. Lee, and D. Kim. Proceedings of the Ninth International Conference on Machine Learning and Applications (ICMLA), page 767 --770. Washington, DC, (December 2010)
S. Bozza, and A. O'Hagan. Between Data Science and Applied Data Analysis: Proceedings of the 26th Annual Conference of the Gesellschaft Fűr Klassifikation Ev, 26, page 165. University of Mannheim, Springer Verlag, (2003)