Robust H∞ FIR sampled-data filter for uncertain time-varying systems with unknown nonlinearity. - M. E. Lee; H. S. Ryu; O. K. Kwon (ECC, 2001)

A branch and bound algorithm for disassembly scheduling with assembly product structure. - Hwa-Joong Kim; Dong-Ho Lee; Paul C. Xirouchakis; O. K. Kwon (J. Oper. Res. Soc., 2009)