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https://issues.apache.org/jira/browse/LUCENE-8343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505885#comment-16505885
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Alessandro Benedetti commented on LUCENE-8343:
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Hi Adrien,
I theoretically agree with you.
The reason I structured the patch this way is because what I noticed so far in
my contributions is that a contribution is much more likely to be reviewed and
accepted if it fixes a bug with the minimal impact as possible and involving
less classes as possible.
The problem here is indeed related the data type of :
- the suggestion score ( should be double)
- and weght ( should be Long as 0 must be considered different from null)
I would be more than happy to contribute that, but my feeling is that a patch
that span over a lot of different classes and areas, would be ignored with the
final result of the bug(s) to remain there.
Happy if you( the community in general) contradict me and I will proceed with
the data types change approach :)
> BlendedInfixSuggester bad score calculus for certain suggestion weights
> -----------------------------------------------------------------------
>
> Key: LUCENE-8343
> URL: https://issues.apache.org/jira/browse/LUCENE-8343
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 7.3.1
> Reporter: Alessandro Benedetti
> Priority: Major
> Attachments: LUCENE-8343.patch, LUCENE-8343.patch, LUCENE-8343.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Currently the BlendedInfixSuggester return a (long) score to rank the
> suggestions.
> This score is calculated as a multiplication between :
> long *Weight* : the suggestion weight, coming from a document field, it can
> be any long value ( including 1, 0,.. )
> double *Coefficient* : 0<=x<=1, calculated based on the position match,
> earlier the better
> The resulting score is a long, which means that at the moment, any weight<10
> can bring inconsistencies.
> *Edge cases*
> Weight =1
> Score = 1( if we have a match at the beginning of the suggestion) or 0 ( for
> any other match)
> Weight =0
> Score = 0 ( independently of the position match coefficient)
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