Complex control and data flows easily lead to multiple connections in process models, which are another source of cluttered models.

复杂的控制和数据流容易导致流程模型中出现多个连接，这是产生混乱的模型的另一个来源。

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The larger the source data model, the more complex this task can become.

源数据模型越大，此任务就会变得越复杂。

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You will learn how to pass complex data types between portlets, and how to switch views in the target portlet in response to changes in the source.

你将会了解到如何在portlet之间进行复杂数据类型的传递，以及如何在目标portlet中交互数据以响应源数据的变化。

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And outside the open source search domain, companies like Rosslyn Analytics have developed a platform approach to complex data integration problems.

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