Development of AHP Model for Telematics Haptic Interface Evaluation. - Yong Gu Ji; Beom Suk Jin; Jae Seung Mun; Sang Min Ko (HCI (1), 2007)

A Study for Usability Risk Level in Physical User Interface of Mobile Phone. - Beom Suk Jin; Sang Min Ko; Jae Seung Mun; Yong Gu Ji (HCI (10), 2007)

A Usability Study on Personalized EPG (pEPG) UI of Digital TV. - Myo Ha Kim; Sang Min Ko; Jae Seung Mun; Yong Gu Ji; Moon-Ryul Jung (HCI (3), 2007)

Understanding Influence of Mobile Internet Services on Life Behavior of Mobile Users. - Sang Min Ko; Yong Gu Ji; Dongsoo Kim (HCI (4), 2007)

A Study on User Satisfaction Evaluation About the Recommendation Techniques of a Personalized EPG System on Digital TV. - Sang Min Ko; Yeon Jung Lee; Myo Ha Kim; Yong Gu Ji; Soo Won Lee (HCI (3), 2007)

A study on broadcasting and telecom convergence service usage index. - Joungwon Yoo; Hoontae Kim; Yong Gu Ji; Jong Kyu Choi; Sang Min Ko; Kyung-Mee Lee (iCAST, 2011)

A Study of Properties and Services of a Smart Home for the Elderly. - Sun-Jung Lee; Hyo-Chang Kim; Sang Min Ko; Yong Gu Ji (HCI (29), 2013)

Usability Principles for Augmented Reality Applications in a Smartphone Environment. - Sang Min Ko; Wonsuk Chang; Yong Gu Ji (Int. J. Hum. Comput. Interact., 2013)

Effects of Superimposition of a Head-Up Display on Driving Performance and Glance Behavior in the Elderly. - Hyung Jun Oh; Sang Min Ko; Yong Gu Ji (Int. J. Hum. Comput. Interact., 2016)