[jira] [Updated] (SOLR-16990) Unpack raw cosineSim and dotProduct in reRanker

["Joel Bernstein (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-16990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein updated SOLR-16990:
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    Summary: Unpack raw cosineSim and dotProduct in reRanker  (was: Upack raw cosineSim and dotProduct in reRanker)

> Unpack raw cosineSim and dotProduct in reRanker
> -----------------------------------------------
>
>                 Key: SOLR-16990
>                 URL: https://issues.apache.org/jira/browse/SOLR-16990
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: reranker
>            Reporter: Joel Bernstein
>            Priority: Major
>
> Currently the Lucene vector scores are scaled to avoid negative values. There are times when it is preferred to provide the unscaled vectors with "clamping" to avoid negative scores. The clamping will simply set a floor for the vector score so it does not go below zero.
> Two parameters will be added to the reRanker to support unpacking and clamping the raw scores.
> reRankMainRV=<float floor> : This will unpack the main query vector score and clamp at the specified value.
> reRankRV=<float floor> : This will do the same for the reRank query vector score.
> The RV stands for "raw vector" score.



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