The Design of Service Management System based on Policy-based Network Management. - Ki-Sang Ok; Daniel W. Hong; Byung-Soo Chang (ICNS, 2006)

NGOSS-based convergent OSS framework toward business agility: KT case. - Cheol-Seong Kim; Ki-Sang Ok; Daniel W. Hong; Byung-Soo Chang; Yoon-Hak Bang (Int. J. Netw. Manag., 2006)