How do you design a label system like that?

How is the label system designed? Is there anyone who can answer it in depth?

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How is the label system designed? Is there anyone who can answer it in depth?

The first is product design:
1, what is the label? Classification or keywords?
2, how to produce the label? User active input, edit input, automatic generation?

Technical aspects:
The simplest implementation is the database:
1. Label table: Tag content, ID, other label, URL, etc.
2. Relationship table: The relationship between the problem and the label

After that it may be optimized according to the traffic, do some intelligent, edit the sort of sorting

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