Classification, as we saw from the example in the previous article, USES every data instance to create a tree, which we would traverse to find our answer.

分类，如我们在前一篇文章的例子中看到的，使用每个数据实例来创建树，我们需要遍历此树才能找到答案。

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The result is an easily formatted list of articles or stories, with an URL (for the full article), summary information, and classification information for each item.

产生的结果是一个很容易格式化的文章列表，包括完整文章的URL、摘要信息和每个条目的分类信息。

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Criteria of this classification system are outlined later in this article.

本文稍后将简要描述这种分类系统的标准。

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