空间数据共享中的数据质量问题

The Problem of Spatital Data Quality in Data Sharing

本文首先简要介绍空间数据共享涉及的技术和法制问题 ,接着重点讨论了空间数据质量对数据共享的影响 ,分析了现行的元数据库管理空间数据质量的方案 ,指出用元数据方法管理和描述空间数据质量方面显示出的优势及其不足 。

This paper first discusses some technical problems and legal problems in GIS spatial data sharing, then mainly discuss the influence of spatial data quality in it. This paper also analysis the technical of quality control with metadata methods, and point out the advantages and disadvantages of metadata method during the spatial data quality control. Finally this paper point out the research direction of quality control in future and the future of spatial data sharing.