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Better implementation of JsonVectorCollection than the "fake words" approach #1890

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lintool opened this issue May 29, 2022 · 2 comments
Open

Better implementation of JsonVectorCollection than the "fake words" approach #1890

lintool opened this issue May 29, 2022 · 2 comments

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@lintool
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lintool commented May 29, 2022

To index JsonVectorCollection sparse vectors, we currently use the "fake words" trick - just duplicate the word X times, where X is the score. This might be a better solution: https://lucene.apache.org/core/8_11_0/analyzers-common/org/apache/lucene/analysis/miscellaneous/DelimitedTermFrequencyTokenFilter.html
@tteofili
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I did an experiment for this a while ago, the behavior for some reason is not exactly the same (expected) as the fw one. I can dig into this.

@JMMackenzie
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Possibly different due to #1843?

@JMMackenzie JMMackenzie mentioned this issue Mar 22, 2023
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@thongnt99 thongnt99 mentioned this issue Mar 23, 2023
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@lintool @tteofili @JMMackenzie