CHIUNG HON LEE1, TSUNG-JU LEE2, YU-SHENG CHIANG1,
SHIH-YI YUAN3 AND JYH-HWA LIOU2
1Department of Information Engineering and Computer Science
2Department of Finance
3Department of Communications Engineering
Feng Chia University
Taichung, 407 Taiwan
E-mail: {cholee@; freeman.tjlee@mail; d0636094@mail; syyuan@; jhliou@}fcu.edu.tw