(C26)305 Dept of Computer Science & Engineering, Pusan National University San-30, Jangjeon-dong, Geumjeong-gu, Busan, 609-735, Republic of Korea   ㅣ   Tel : 051 - 510 - 3940   ㅣ    E-MAIL : ooslab AT pusan.ac.kr  ㅣ