基于对数据库网格的研究，提出了一种针对单本体数据网格的资源发现机制。

By studying the data base grid a resource discovery mechanism aimed at single-ontology data-grid was proposed.

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然而，对于简单网格，仍然需要数据库作为主存储。

For simple grids, however, a database is still required for primary storage.

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这里的另一个因素是，许多用户使用网格是因为数据库跟不上加载。

The other factor here is that many users use a grid because the database cannot keep up with the load.

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