A Product and Service Design Framework for Autonomous Vehicle: Identifying and Systematizing User Needs via Graph-Based Social Media Analysis and Activity Theory. - Soh Hyung Park; Byeolyi Yoon; Sungzoon Cho; Myung Hwan Yun; Chul Chung; Chungrae Kim; Seokjun Lee; Seungman Kim (ITSC, 2023)

Stock price momentum modeling using social media data. - Min Choi; Hye Jin Lee; Soh Hyung Park; Sung Whan Jeon; Sungzoon Cho (Expert Syst. Appl., 2024)