Changhoon Park Ko, Heedong 2024-01-13T05:32:52Z 2024-01-13T05:32:52Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/103159 English virtual reality platform framework spatial relation semantic A Platform for Virtual Environment Applications Conference 1 The 4th International Conference On New Exploratory Technologies (NEXT 2007), pp.200 - 203 The 4th International Conference On New Exploratory Technologies (NEXT 2007) 200 203 KO