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搜索引擎算法-倒排索引 | WillHappy #8

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williamHappy opened this issue Aug 18, 2019 · 0 comments
Open

搜索引擎算法-倒排索引 | WillHappy #8

williamHappy opened this issue Aug 18, 2019 · 0 comments
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2018-09-12T00-00-00 Gitalk

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http://blog.willhappy.cn/2018/09/12/34-2018-09-12-sou-suo-yin-qing-suan-fa-dao-pai-suo-yin/

由于公司需要从海量的视频资源中快速搜索到相关性高的视频，中间考虑过like的使用，由于需要取得多张表的资源并集，并进行like匹配还有其他条件的匹配，但是这样如果数据量上去的话，查询效率是极低的；然后，后面有同学提到使用维护倒排索引的方案解
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