中文分词系统分析库，可以对UTF8表述的中文文字进行分词操作， 支持*的词库和手动干预（回调方式）的加权处理。 可用于搜索引擎的基础分词开发-Chinese word segmentation system analysis libraries, can be expressed UTF8 Chinese text segmentation operation, support plug and manual intervention in the thesaurus (callback me

The tf–idf weight (term frequency–inverse document frequency) is a weight often used in information retrieval and text mining. This weight is a statistical measure used to evaluate how important a word is to a document in a collection or corpus. The