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https://issues.apache.org/jira/browse/SOLR-16827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-16827:
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Summary: Add min/max scale to the reranker (was: Add min/max scale and RRF
capability to the reranker)
> Add min/max scale to the reranker
> ---------------------------------
>
> Key: SOLR-16827
> URL: https://issues.apache.org/jira/browse/SOLR-16827
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Labels: hybrid-search
>
> When combining an unbounded Lucene / Solr score with a vector score its
> difficult or impossible to balance the two components by simply adjusting the
> weight of the rerank score.
> This ticket will add two features to the ReRanker to support the hybrid
> ranking function:
> *Min/Max scaling:* The min/max scaling will be applied to the scores of all
> the topDocs prior to combining with the rerank score.
> *RRF:* Reciprical rank fusion which is described here in this blog:
> https://weaviate.io/blog/hybrid-search-explained
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