You can gain additional understanding of data source models from mapping models.

你可以从映射模型获得关于数据源模型的更多的理解。

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The number of mapping models rapidly increases with the number of data sources.

映射模型随着数据源的增长而快速的增长。

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Another possible way you could combine two mapping models is when the target of one is identical to the source of the other model.

另外一个合并两个映射模型的方法是当一个目标和另一个目标的源相同的时候。

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First, they want to build statistical models mapping the severity and frequency of past operational risk losses and use this to judge the amount of the bank's capital at risk from operational failures in the future.

ECONOMIST: Risk management