An Intelligent Context-Aware Service Engine Based on Ontology. - Eun Jung Ko; Hyung Jik Lee; Jeon-Woo Lee (CIMCA/IAWTIC, 2005)

A Wearable Context Aware System for Ubiquitous Healthcare. - Dong-oh Kang; Hyung Jik Lee; Eun Jung Ko; Kyuchang Kang; Jeunwoo Lee (EMBC, 2006)

Seamless Service Adaptation in Context-Aware Middleware for U-HealthCare. - Eun Jung Ko; Hyung Jik Lee; Jeun Woo Lee (OTM Workshops (2), 2006)

A Systematic Design Tool of Context Aware System for Ubiquitous Healthcare Service in a Smart Home. - Dong-oh Kang; Kyuchang Kang; Hyung Jik Lee; Eun Jung Ko; Jeun Woo Lee (FGCN (2), 2007)

Ontology-Based Context Modeling and Reasoning for U-HealthCare. - Eun Jung Ko; Hyung Jik Lee; Jeun Woo Lee (IEICE Trans. Inf. Syst., 2007)