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https://issues.apache.org/jira/browse/LUCENE-8347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022532#comment-17022532
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Lucene/Solr QA commented on LUCENE-8347:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} LUCENE-8347 does not apply to master. Rebase required? Wrong
Branch? See
https://wiki.apache.org/lucene-java/HowToContribute#Contributing_your_work for
help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | LUCENE-8347 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12926717/LUCENE-8347.patch |
| Console output |
https://builds.apache.org/job/PreCommit-LUCENE-Build/250/console |
| Powered by | Apache Yetus 0.7.0 http://yetus.apache.org |
This message was automatically generated.
> BlendedInfixSuggester to handle multi term matches better
> ---------------------------------------------------------
>
> Key: LUCENE-8347
> URL: https://issues.apache.org/jira/browse/LUCENE-8347
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: 7.3.1
> Reporter: Alessandro Benedetti
> Priority: Major
> Attachments: LUCENE-8347.patch, LUCENE-8347.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently the blendedInfix suggester considers just the first match position
> when scoring a suggestion.
> From the lucene-dev mailing list :
> "
> If I write more than one term in the query, let's say
>
> "Mini Bar Fridge"
>
> I would expect in the results something like (note that allTermsRequired=true
> and the schema weight field always returns 1000)
>
> - *Mini Bar Fridge* something
> - *Mini Bar Fridge* something else
> - *Mini Bar* something *Fridge*
> - *Mini Bar* something else *Fridge*
> - *Mini* something *Bar Fridge*
> ...
>
> Instead I see this:
>
> - *Mini Bar* something *Fridge*
> - *Mini Bar* something else *Fridge*
> - *Mini Bar Fridge* something
> - *Mini Bar Fridge* something else
> - *Mini* something *Bar Fridge*
> ...
>
> After having a look at the suggester code
> (BlendedInfixSuggester.createCoefficient), I see that the component takes in
> account only one position, which is the lowest position (among the three
> matching terms) within the term vector ("mini" in the example above) so all
> the suggestions above have the same weight
> "
> Scope of this Jira issue is to improve the BlendedInfix to better manage
> those scenarios.
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