文本挖掘是从大量的文本数据中抽取隐含的，求和的，可能有用的信息。
通过文本挖掘实现
?Associate：关联分析，根据同时出现的频率找出关联规则
?Cluster：将相似的文档（词条）进行聚类
?Categorize：将文本划分到预先定义的类别里(Text mining is a kind of information that is extracted from a large number of text data, which may be useful.
Implementation of text mining
1. Associate: association analysis, finding association rules based on the frequency of simultaneous occurrence
2.Cluster: clustering similar documents (entries)
3.Categorize: dividing text into a predefined category)