文本相识度算法（余弦相似性、简单共有词、编辑距离、SimHash、汉明距离、Jaccard相似性系数、欧几里得距离、曼哈顿距离 ）

原文地址：

https://blog.csdn.net/u011630575/article/details/52164688?locationNum=5&fps=1

https://www.php.net/manual/zh/function.similar-text.php

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https://blog.csdn.net/qq_33997198/article/details/103615339

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https://blog.csdn.net/weixin_42416926/article/details/115507520

https://blog.csdn.net/sinat_17520485/article/details/101871532

https://www.php.cn/mysql-tutorials-410061.html

https://blog.csdn.net/u010689585/article/details/79332233

http://www.voidcn.com/article/p-vdmkjixm-boe.html

https://www.cnblogs.com/LittleHann/p/5737765.html