摘要
土地信息数据量大 ,数据结构复杂多样 ,只有建立完善的元数据库及其管理体系才能方便地进行数据的应用、交换、分发和共享 .本文从元数据的概念和作用入手 ,分析了元数据标准的现状 ,提出了符合土地信息实际情况的元数据内容 。
The land information has a great deal of data and its structure is complex and different. So, only by establishing the perfect metadata database and its management system, is the data applied, exchanged, distributed and shared conveniently. This paper began with the definition and the use of metadata, then, analyzed metadata standard’s status in quo, put forward metadata contents of matching actual circumstance of land information. At last, this paper discussed the schema of store and the design of function of land spatial metadata MIS.
出处
《南京师大学报（自然科学版）》
CAS
CSCD
2004年第4期103-106,共4页
Journal of Nanjing Normal University(Natural Science Edition)
关键词
土地
元数据库
空间数据
数据共享
land, metadata database, spatial data, data share
