Z. Zheng, G. Webb, and K. Ting. Proceedings of the Sixteenth International Conference on Machine Learning (ICML-99), page 493-502. San Francisco, Morgan Kaufmann, (1999)
F. Zheng, and G. Webb. Lecture Notes in Artificial Intelligence 4710: Proceedings of the 18th European Conference on Machine Learning (ECML'07), page 490-501. Berlin/Heidelberg, Springer-Verlag, (2007)
F. Zheng, and G. Webb. ACM International Conference Proceeding Series, Vol. 148: The Proceedings of the Twenty-third International Conference on Machine Learning (ICML'06), page 1113 - 1120. New York, NY, ACM Press, (2006)