Agent-On-Demand for Distributed System Management. - Seung-Jin Sul; Keum-Suk Lee (PDPTA, 1999)

A Mobile Agent Security Management. - Eung-Gu You; Keum-Suk Lee (AINA (2), 2004)

An efficient security model of a mobile agent. - Eung-Gu You; Keum-Suk Lee (Parallel and Distributed Computing and Networks, 2004)

Efficient Certificate Status Validation Using Grouping OCSP Server. - Seon-Mook Choi; Keum-Suk Lee (International Conference on Internet Computing, 2005)