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https://issues.apache.org/jira/browse/LUCENE-8135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-8135:
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Attachment: LUCENE-8135.patch
> Implement Block-Max WAND
> ------------------------
>
> Key: LUCENE-8135
> URL: https://issues.apache.org/jira/browse/LUCENE-8135
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-8135.patch
>
>
> This issue is about building on top of LUCENE-4198 in order to leverage block
> maximum scores instead of global maximum scores. This is documented in
> "Faster Top-k Document Retrieval Using Block-Max Indexes"
> ([http://engineering.nyu.edu/~suel/papers/bmw.pdf)|http://engineering.nyu.edu/~suel/papers/bmw.pdf]
> and called BMW (Block-Max WAND).
>
> Using block max scores adds overhead to scorers, but also provides better
> upper bounds of the scores and is expected to remain efficient in presence of
> outliers (LUCENE-8087).
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