摘要
地理资源是建设"一张图"的基础,元数据是资源与用户之间重要的桥梁。本文介绍了地理资源元数据的概念、标准和作用,结合对一张图系统的需求情况,初步设计了元数据的内容,并强调了空间元数据的一些关键要求。
The geographical resources are the foundation of building a 'map',the metadata is used as a bridge between resources and users.Taking into account the system of diagram widely requested,this document describes the concepts,the standards and the role of geographic metadata resources,so a preliminary design of metadata has been achieved in this document by focusing on the essential requirements of spatial metadata.
出处
《国土资源信息化》
2012年第6期48-53,共6页
Land and Resources Informatization
