Changhoon Park Koichi Hirota Michitaka Hirose Ko, Heedong 2024-01-13T09:00:38Z 2024-01-13T09:00:38Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/104862 English Virtual Reality Virtual Storytelling timing model scene graph Hierarchical Timing Model for Interactive VR Storytelling Conference 1 HCI International 2005 HCI International 2005 US