Agritainment: 3D collaborative space for training agricultural experience with entertainment elements. - Hwan-Soo Yoo; Seong-Whan Kim (SIGGRAPH Posters, 2010)

EDGE: an easy design tool of game event for rapid game development. - Hwan-Soo Yoo; Seong-Whan Kim; Ok-Hue Cho (SIGGRAPH ASIA (Sketches), 2010)

ESOTAG: E-book evolution using collaborative social tagging by readers. - Hwan-Soo Yoo; Seong-Whan Kim (Multim. Tools Appl., 2016)

Game operation query language for facilitating game server's FCAPS operation. - Hwan-Soo Yoo; Seong-Whan Kim (Int. J. Inf. Technol. Manag., 2018)