CDSSGen: A Dynamic Clinical Decision Support System Generator. - Heejung Chang; Hyungki Song; Kangsun Lee; Gyochang Kim; Jonghoon Chun; Jinwook Choi (METMBS, 2003)

Simulation-Based Web Service Composition: Framework and Performance Analysis. - Heejung Chang; Hyungki Song; Wonsang Kim; Kangsun Lee; Hyunmin Park; Sedong Kwon; Jooyoung Park (AsiaSim, 2004)