An alternative is to use XPath constructs to create filtered subsets of the XML node tree and return them to the caller.

另外也可以使用XPath构造创建xml节点树的过滤子集并将其返回给调用方。

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Call mining on different subsets of the data (for example, to create recursive drill-down reports).

在数据的不同子集上调用数据挖掘(例如，创建递归下钻报告)。

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Colouring can be used to group subsets within the data or, as in this case, to create a heat map.

数据内的要素可以通过填色加以分类，或者正如本表一样，填色可以制作一张热门的图表。

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