FanOne

feat: refactor idf module, implementing tfidf & bm25 in TagExtracter by strategy pattern

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**Please provide Issues links to:** - Issues: #181 **Provide test code:** I added the stopwords test code in `hmm/idf/idf_test.go` ```Go err = te.LoadStopWords() tt.Nil(t, err) ``` and I had run...

feature: any plan on implementing the bm25 algorithm ?

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## Description I see the bm25.go file in path`(hmm/bm25/bm25.go)`, so I wanna ask author any plan on bm25 ? 😃 If author had the plan on implementing the bm25, I...

**Special notes for your reviewer**: generate id by snowflake and passed the unit test. **Does this PR introduce a user-facing change?**: ```release-note feat: support generate id by snowflake ```

Feature: support discovery by redis

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**What this PR does**: support discovery by redis **Special notes for your reviewer**: I had tested and passed the unit test by the local redis server

enhance: avoid too many gorountines when calc distance

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use gorountines pool to avoid too many gorountines be created.

we need to support hot reloading to loading the new index data otherwise we need restart search engine module to reloading new index data.

maybe we can refer to the es's technical program to separation of hot and cold index data.

How to extracting multiple similar markdown files and then displaying those markdown files ?

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## How to extracting multiple similar markdown files and then displaying those markdown files? we are usually extracting multiple similar markdown files like this: and if I want to use...

enhance: avoid too many gorountines when calc distance

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the pr is resubmit for this #32776 pr sorry for my mistake to close the pr #32776 and I can't reopen it again... so I have to resubmit this new...