Department;
of;
Computer;
Science;
and;
Information;
Engineering,;
National;
University;
of;
Kaohsitmg,;
Kaohsiung;
811,;
Taiwan;
Department;
of;
Computer;
Science;
and;
Engineering,;
National;
Sun;
Yat-sen;
University,;
Kaohsiung;
804,;
Taiwan;
Library;
and;
lnformation;
Centel,;
National;
University;
of;
Kaohsiung,;
Kaohsiung;
811,;
Taiwan;
Department;
o;
fin;
formation;
Management,;
l-Shou;
University,;
Kaohsiung;
840,;
Taiwan;