在类似情况下，为了维护数据源内数据的完整性，对数据的访问必须完全是事务性的。

In a situation like this, access to the data must be fully transactional in order to maintain data integrity across the data sources.

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例如，您可以将一个小部件与末端数据源联系起来，这样用户可以在数据源内查看数据了。

For example, you can associate a widget with a back-end data source so that users can explore the data within the data source.

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通过频率分布或记录链接发现的单个源内或跨多个源的重复表示，需要通过合并来提供数据。

Duplication within a single source or across sources as found through either a frequency distribution or a record linkage indicates that a consolidation is needed for presentation of the data.

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