This article discusses the use of DC metadata catalog of network information resources, as well as associated with the MARC format.
讨论了用d C元数据对网络信息资源的编目问题，以及与MARC格式的关联。
To make full use of the data resource, a hierarchy architecture of massive data management system based on Grid is proposed, which consists of Metadata Catalog and Access Broker.
为了充分利用已有的数据资源，我们借鉴网格中的数据管理技术，提出使用元数据目录与访问代理相结合来管理分布式虚拟环境中数据的方法。
Spatial data Grid derived from data Grid. In the dissertation, the key technology of Spatial data Grid, including metadata catalog, data broker and Grid Spatial Database are studied.
空间数据网格来源于数据网格，本文对它的关键技术-元数据目录、数据代理和网格空间数据库进行了探讨研究。
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