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https://issues.apache.org/jira/browse/SOLR-6502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128848#comment-14128848
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Walter Underwood commented on SOLR-6502:
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I always thought of this as variable precision rather than variable recall.
I've thought about calling it "adaptive precision", but that is probably too
big a claim. It might apply if there were multiple steps for mm, like 100%,
50%, and 1.
> Custom search component to reduce recall of 'edismax' query.
> ------------------------------------------------------------
>
> Key: SOLR-6502
> URL: https://issues.apache.org/jira/browse/SOLR-6502
> Project: Solr
> Issue Type: New Feature
> Reporter: Peter Keegan
> Priority: Minor
> Attachments: LowRecallSearchComponent.zip
>
>
> Custom search component to improve query performance by reducing the normal
> recall of the 'edismax' query. This component will set the 'mm' (minimum
> match) parameter to 100%, requiring all keywords to match. If there are no
> matches, 'mm' is set to 1 and the query is retried. This component is
> registered in solrconfig.xml as '/LowRecallsearch'.
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