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https://issues.apache.org/jira/browse/LUCENE-850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510001
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Mike Klaas commented on LUCENE-850:
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Tim: That is typically done by adding an optional implicit phrase query:
john bush -> +(john bush) "john bush"~1000
This works very well for two term queries, but less well when there is more
than that. See also DisjunctionMaxQuery if there are multiple fields
> Easily create queries that transform subquery scores arbitrarily
> ----------------------------------------------------------------
>
> Key: LUCENE-850
> URL: https://issues.apache.org/jira/browse/LUCENE-850
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Search
> Reporter: Mike Klaas
> Attachments: prodscorer.patch.diff
>
>
> Refactor DisMaxQuery into SubQuery(Query|Scorer) that admits easy
> subclassing. An example is given for multiplicatively combining scores.
> Note: patch is not clean; for demonstration purposes only.
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