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From "Joel Bernstein (JIRA)" <>
Subject [jira] [Commented] (SOLR-6088) Add query re-ranking with the ReRankingQParserPlugin
Date Sun, 18 May 2014 22:13:02 GMT


Joel Bernstein commented on SOLR-6088:

Initial patch doesn't handle Explain properly, so this still needs to be hooked into the Lucene
QueryRescorer explain. 

This patch also doesn't work with cursorMark deep paging, which would be a nice to get working
if possible.

> Add query re-ranking with the ReRankingQParserPlugin
> ----------------------------------------------------
>                 Key: SOLR-6088
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Joel Bernstein
>         Attachments: SOLR-6088.patch
> This ticket introduces the ReRankingQParserPlugin which adds query Reranking/Rescoring
for Solr. It leverages the new RankQuery framework to plug-in the new Lucene QueryRescorer.
> See ticket LUCENE-5489 for details on the use case.
> Sample syntax:
> {code}
> q={!rerank mainQuery=$qq reRankQuery=$rqq reRankDocs=200}
> {code}
> In the example above the mainQuery is executed and 200 docs are collected and re-ranked
based on the results of the reRankQuery. 

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