An XML-Based 3-Dimensional Graphic Database System. - Jong Ha Hwang; Jae Ho Ro; Keung Hae Lee; Jong Sou Park; Soochan Hwang (Human.Society@Internet, 2001)

3DGML: A 3-Dimensional Graphic Information Retrieval System. - Jong Ha Hwang; Keung Hae Lee; Soochan Hwang (Web Intelligence, 2001)