CHIEN-LIANG CHEN1, CHAO-LIN LIU2, YUAN-CHEN CHANG3 AND HSIANG-PING TSAI4
1,2Department of Computer Science
3Department of Finance
1,2,3National Chengchi University
Taipei, 116 Taiwan
4College of Management
Yuan-Ze University,
Chungli, 320 Taiwan
E-mail: {198753013; 2chaolin; 3yccchang}@nccu.edu.tw, 4hptsai@saturn.yzu.edu.tw