A Peer-to-Peer Service Platform Architecture for Extended Home Services. - Il-Woo Lee; Moon-Ok Choi; Ho-Jin Park (ICN, 2008)

Social Networking Service Based on Peer-to-Peer Network. - Il-Woo Lee; Moon-Ok Choi; Ho-Jin Park; Kwang-Roh Park (ICSNC, 2008)

Design and implementation of energy application services for energy management technology. - Hyunjeong Lee; Moon-Ok Choi; Wan-Ki Park; Il-Woo Lee; Sang Ho Lee (ICTC, 2014)

Smart Office Energy-Saving Service Using Bluetooth Low Energy Beacons and Smart Plugs. - Moon-Ok Choi; Wan-Ki Park; Il-Woo Lee (DSDIS, 2015)

Smart office energy management system using bluetooth low energy based beacons and a mobile app. - Moon-Ok Choi; Wan-Ki Park; Il-Woo Lee (ICCE, 2015)