摘要
元数据目录服务是建立在元数据目录基础之上、为满足对数据资源的各种需要所提供的服务，它是实现公共卫生数据资源目录中数据共享的必要途径之一。结合公共卫生数据资源的海量、异构、分布的特点，提出了一个基于元数据目录服务技术的公共卫生数据整合方法，并对实现过程中的关键技术进行了分析。
Metadata catalog service is the main approach to share the data of public health, which provide with services to meet the needs of data resources based on metadata catalog. This article puts forward a integration framework for public health data based on the technology of metadata catalog services according to the characters of public health data such as large quantities, diverse structure, and wide distributing, and analysis some key points in the course of realization.
出处
《中国数字医学》
2009年第3期36-38,共3页
China Digital Medicine
基金
国家科技支撑计划课题“公共卫生数据资源目录服务示范工程”(编号:2008K500AJ)~~
关键词
公共卫生
元数据
目录服务
数据资源整合
public health,metadata,catalog service,data integration Fund project National Science and Technology Support Plan Subject： Public Health Data Resource Catalog Service Demonstration Project
