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。

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This ties access to jobs to a massive data-management system with a long history of errors and abuses.

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