The Making of Kyongju VR Theatre. - ChangHoon Park; Heedong Ko; Ig-Jae Kim; Sang Chul Ahn; Yong-Moo Kwon; Hyoung-Gon Kim (VR, 2002)

NAVER: Networked and Augmented Virtual Environment aRchitecture; design and implementation of VR framework for Gyeongju VR Theater. - ChangHoon Park; Heedong Ko; Taiyun Kim (Comput. Graph., 2003)

Gyeongju VR Theater: A Journey into the Breath of Seorabol. - ChangHoon Park; Sang Chul Ahn; Yong-Moo Kwon; Hyoung-Gon Kim; Heedong Ko; Taiyun Kim (Presence Teleoperators Virtual Environ., 2003)

A Flexible and Efficient Scheme for Interest Management in HLA. - ChangHoon Park; Koichi Hirota; Michitaka Hirose; Heedong Ko (AsiaSim, 2004)

A Platform for Interactive VR Storytelling. - ChangHoon Park; Michitaka Hirose; Heedong Ko (Edutainment, 2006)

Multi-agent Motion Tracking Using the Particle Filter in ISpace with DINDs. - TaeSeok Jin; ChangHoon Park; SooHong Park (PRICAI, 2006)

A Framework for VR Application Based on Spatial, Temporal and Semantic Relationship. - ChangHoon Park; TaeSeok Jin; Michitaka Hirose; Heedong Ko (HCI (14), 2007)