Understanding notification stress of smartphone messenger app. - SungHyuk Yoon; Sang-Su Lee; Jaemyung Lee 001; Kun-Pyo Lee (CHI Extended Abstracts, 2014)

Understanding User's Behavior for Developing Webtoon Rating System Based on Laugh Reaction Sensing through Smartphone. - SungHyuk Yoon; Soyoung Kwon; Kun-Pyo Lee (CHI Extended Abstracts, 2015)