目录前言准备样本分词停用词TF-IDF算法K-means聚类获取主题词主流程方法前言 最近遇到了这样一个需求，将N个文本内容聚类成若干个主题词团，减少人工分析文本和分类文本的工作量。
I have some xml that I want to process using xslt.A good amount of the data comes through in key value pairs (see below).I am struggling with how to extract the value base on the key into a variable.I
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