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Disable IDF - workaround? #1655

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AliFlux opened this issue Oct 30, 2022 · 4 comments
Open

Disable IDF - workaround? #1655

AliFlux opened this issue Oct 30, 2022 · 4 comments

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@AliFlux
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AliFlux commented Oct 30, 2022

Is there a way to disable IDF from scoring. Just like how we disable field norms?

Apparently a lot of people want to disable IDF in search engines. There is a way to do it in Elasticsearch, but not here?
@AliFlux
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AliFlux commented Nov 8, 2022 •
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If not possible. Can anyone please point me to a direction? Like where exactly is the IDF score being applied in the codebase?

Thanks.

@AliFlux
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AliFlux commented Nov 8, 2022

CC: @fmassot @fulmicoton

@fulmicoton
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fulmicoton commented Nov 9, 2022 •
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Is it something you actually need or is it a general suggestion? The IDF is used in the BM25 score computation.

@AliFlux
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AliFlux commented Nov 9, 2022

I need it for a pet research project. But it would be great if there is a built-in support to toggle this in tantivy.

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@fulmicoton @AliFlux