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https://issues.apache.org/jira/browse/LUCENE-8477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812353#comment-16812353
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ASF subversion and git services commented on LUCENE-8477:
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Commit c1222b57e940f108cb3f5b8f720a910a5fb35126 in lucene-solr's branch
refs/heads/master from Jim Ferenczi
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=c1222b5 ]
LUCENE-8477: Restore public ctr for FilteredIntervalsSource
> Improve handling of inner disjunctions in intervals
> ---------------------------------------------------
>
> Key: LUCENE-8477
> URL: https://issues.apache.org/jira/browse/LUCENE-8477
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Fix For: 8.1
>
> Attachments: LUCENE-8477.patch, LUCENE-8477.patch, LUCENE-8477.patch,
> LUCENE-8477.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The current implementation of the disjunction interval produced by
> {{Intervals.or}} is a direct implementation of the OR operator from the Vigna
> paper. This produces minimal intervals, meaning that (a) is preferred over
> (a b), and (b) also over (a b). This has advantages when it comes to
> counting intervals for scoring, but also has drawbacks when it comes to
> matching. For example, a phrase query for ((a OR (a b)) BLOCK (c)) will not
> match the document (a b c), because (a) will be preferred over (a b), and (a
> c) does not match.
> This ticket is to discuss the best way of dealing with disjunctions.
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