C. Chiu, J. Hsu, and C. Lin. Rough Sets and Current Trends in Computing : Second
International Conference, RSCTC 2000. Revised Papers, volume 2005 of Lecture Notes in Computer Science, page 598--602. Banff, Canada, Springer-Verlag, (October 2001)
S. Gustafson, and W. Hsu. Genetic Programming, Proceedings of EuroGP'2001, volume 2038 of LNCS, page 291--301. Lake Como, Italy, Springer-Verlag, (18-20 April 2001)
W. Hsu, and S. Gustafson. IJCAI-2001 Workshop on Wrappers for Performance
Enhancement in Knowledge Discovery in Databases (KDD), Seattle, Washington, USA, (4 August 2001)
W. Hsu, and S. Gustafson. 2001 Genetic and Evolutionary Computation Conference
Late Breaking Papers, page 176--182. San Francisco, California, USA, (9-11 July 2001)
J. Antolik, and W. Hsu. GECCO 2005: Proceedings of the 2005 conference on
Genetic and evolutionary computation, 2, page 1789--1790. Washington DC, USA, ACM Press, (25-29 June 2005)