Image retrieval model based on weighted visual features determined by relevance feedback. - Woo-Cheol Kim; Ji-Young Song; Seung-Woo Kim; Sanghyun Park 003 (Inf. Sci., 2008)

Public Transportation Service Evaluations Utilizing Seoul Transportation Card Data. - Ji-Young Song; Jin Ki Eom; Kwang Sub Lee; Jae Hong Min; Keun Yul Yang (ANT/SEIT, 2015)