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https://issues.apache.org/jira/browse/LUCENE-8311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881967#comment-16881967
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Adrien Grand commented on LUCENE-8311:
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This made exact phrase queries 3x faster in the nightly benchmarks
http://people.apache.org/~mikemccand/lucenebench/Phrase.html and term queries
about 10% slower http://people.apache.org/~mikemccand/lucenebench/Term.html.
> Leverage impacts for phrase queries
> -----------------------------------
>
> Key: LUCENE-8311
> URL: https://issues.apache.org/jira/browse/LUCENE-8311
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-8311.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Now that we expose raw impacts, we could leverage them for phrase queries.
> For instance for exact phrases, we could take the minimum term frequency for
> each unique norm value in order to get upper bounds of the score for the
> phrase.
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