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  • 标题:Tendency of Standardization of Spatial Data and Present State of its Application to Production Data in Japan
  • 本地全文:下载
  • 作者:T. Takemoto ; K. Mizukami
  • 期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • 印刷版ISSN:2194-9042
  • 电子版ISSN:2194-9050
  • 出版年度:2004
  • 卷号:XXXV Part B4
  • 页码:277-280
  • 出版社:Copernicus Publications
  • 摘要:Administrative agencies in our country are considering that the use of GIS is the effective means to improve and enhance the efficiency and accuracy of their business for improving the services to citizens and satisfying the needs of explanatory obligations. On the other hand, the huge amount of cost necessary for the arrangement of data is the impedimental factor for the utilization GIS as it is necessary to collect various spatial data such as the data of roads and buildings, land use, etc. One of the means to solve this problem is to define the standards such as of encoding specifications, spatial schema and to establish the system to facilitate the interoperability of spatial data (standardization). As for the standardization of spatial data, the International Organization for Standardization (ISO) has organized "ISO / TC211" and has defined the international standard. In line with this movement, our country has laid down "Japanese Standards for Geographic Information (JSGI)" incorporating it to JIS, and is employing it as the technical standard of governmental agencies. In concrete, the activities have already started in the areas such as definition of data product specification, construction of clearing-house, arrangement of metadata and web services. Especially as for the definition of data product specifications, almost all of the governmental agencies handling the spatial data are proceeding with this activity, which is considered to exert a great influence on the data users and producers. In this representation, we will introduce the meaning of standardization of spatial data, present state in our country and the examples of application of data production, and explain the present issues and future prospects. As for the example of production data application, we will take up the spatial data used for the business of road facility management, and will introduce and explain the standards conforming to the defined data product specifications such as the rules for application schema, spatial schema, temporal schema, principle of quality, quality evaluation procedures, spatial referencing by coordinates, metadata and encoding specifications. In addition, we will introduce the example of created spatial data (XML format) and its application to construction of map. Lastly, we will describe the idea of supply of value added data and importance of quality assurance as an example of influence that the standardization of spatial data may exert on the data producers
  • 关键词:GIS; standardization; ISO / TC211; JSGI; data product specifications; quality evaluation procedures; metadata ; Road GIS
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