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최재훈(Jae Hun Choi),정난수(Nan Soo Chung),김영섭(Young Sup Kim) 대한공간정보학회 1999 한국공간정보시스템학회 논문지 Vol.1 No.2
This study presents NGDM(National Geospatial Information Distribution Model) in order to effectively utilize and differently apply geospatial in formation which is important in the dispersion of GIS. In order to establish the NGDM, this study draws the guideline of NGDM in Korea by analyzing its present condition of domestic and foreign geospatial information distribution, It also investigates some major factors forming the infrastructure of NGDM in regulative, technical, physical, and social aspects. Based on these factors. this study presents a three-staged NGDM that is applicable in Korea. The NGDM consists of four components that are the consumer, supplier, gateway for the clearinghouse and the clearinghouse of the geospatial information, According to the management form of geospatial information. the types of NGDM are classified as the concentration type. the distribution type, and compound type. Also, this study explains the mutual relationship between the NGDM`s components and suggests a three-staged NGDM of planting growth. and maturity period considering comparison results of classified models and development direction of regulation, protocol. communication network, electronic commerce, and etc.
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