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https://issues.apache.org/jira/browse/LUCENE-7699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15875734#comment-15875734
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Michael McCandless commented on LUCENE-7699:
--------------------------------------------

+1, thanks [~mattweber]; this also fixes an adversarial combinatoric explosion 
case.

bq. On a different note I also wonder if we should keep the specialized 
GraphQuery. IMO it's not useful anymore especially if we use span queries for 
quoted query.

+1 to phase out {{GraphQuery}}, I think: really, the "graph-ness" of the 
situation should only be a transient thing, that happened during query parsing, 
and was quickly translated into the equivalent query structure?

> Apply graph articulation points optimization to phrase graph queries
> --------------------------------------------------------------------
>
>                 Key: LUCENE-7699
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7699
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Matt Weber
>         Attachments: LUCENE-7699.patch
>
>
> Follow-up to LUCENE-7638 that applies the same articulation point logic to 
> graph phrases using span queries.



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