开放数据的元数据映射技术途径

Technical Approach of Open Data Metadata Mapping

在分析目前主要开放数据元数据标准规范文本的基础上,整合几种常用元数据标准规范描述的开放数据,构建开放数据核心元数据字段映射表,为跨平台开放数据共享提供一种解决途径.通过提取元数据映射所需的指标字段,并分别用JSON和XML格式表达映射数据.采用开放数据元数据映射,将不同元数据标准描述的开放数据纳入到同一个框架中.文中展示的映射机制可以有效地实现不同平台上的开放数据资源的互联互通,提升开放数据共享程度.

On the basis of analyzing metadata standard specifications of major open data,we integrate the open data described by various metadata standard specifications and construct the field mapping table of core metadata of open data,providing a solution for the cross-platform sharing of open data.The index fields needed for metadata mapping are extracted,and the mapping data are in the formats of JSON and XML,respectively.Through the metadata mapping,the open data described by different metadata standard specifications are incorporated into the same framework.The mapping mechanism in this paper can effectively realize the interconnection of open data resources on different platforms and enhance the sharing of open data.