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怎么设计像知乎那种标签系统？

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Release： 2016-06-06 20:08:37
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知乎的标签系统是如何设计的？有人可以深入的解答一下嘛？

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知乎的标签系统是如何设计的？有人可以深入的解答一下嘛？

首先是产品设计：
1、标签是什么？分类还是关键词？
2、标签怎么产生？用户主动录入，编辑录入，自动生成？

技术方面：
最简单的实现就是数据库：
1、标签表：标签内容，ID，其他比如图标，url什么的
2、关系表：问题和标签的关系

之后可能根据访问量优化，做些智能化，编辑排重排序

Related labels：
php Database Design Label
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