An Efficient Description Model for Dynamic Situations in Virtual Environment. - Kyu-Yol Oh; Sun-Mi Noh; In-Kyun Lee; Jong-Hee Park (IASSE, 2004)

Simulation of Events using Contour Map in the Virtual Environment. - Kyu-Yol Oh; Byung-Ju Kim; Jung-Woo Kwon; Se-Jin Ji; Jong-Hee Park (Artificial Intelligence and Applications, 2006)