The Design and Implementation of Secure Event Manager Using SPKI/SDSI Certificate. - YoungLok Lee; HyungHyo Lee; Seungyong Lee 001; HeeMan Park; BongNam Noh (EUC Workshops, 2005)

Design and Implementation of Context-Awareness Simulation Toolkit for Context learning. - InSu Kim; HeeMan Park; BongNam Noh; YoungLok Lee; Seungyong Lee 001; HyungHyo Lee (SUTC (2), 2006)

Context-Awareness Simulation Toolkit - A Study on Secure Context-Based Learning in Ubiquitous Computing. - InSu Kim; HeeMan Park; BongNam Noh; YoungLok Lee; Seungyong Lee 001; HyungHyo Lee (WEBIST (1), 2006)

A Secure Pairwise Key Establishment Scheme in Wireless Ad Hoc Networks. - Taeyeon Kim; HeeMan Park; HyungHyo Lee (UIC, 2007)

Design of an event system adopting ontology-based event model for ubiquitous environment. - HeeMan Park; YoungLok Lee; BongNam Noh; HyungHyo Lee (CSTST, 2008)