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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-794) Extend contrib Highlighter to properly support phrase queries and span queries
Date Sun, 25 Nov 2007 05:07:43 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12545234
] 

Mark Miller commented on LUCENE-794:
------------------------------------

Anything anyone wants to see to further this issue? It seems like a no brainer to add to the
current contrib Highlighter...at this point, more than a few people are using it. Suggestions,
criticisms, interest ?

> Extend contrib Highlighter to properly support phrase queries and span queries
> ------------------------------------------------------------------------------
>
>                 Key: LUCENE-794
>                 URL: https://issues.apache.org/jira/browse/LUCENE-794
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Other
>            Reporter: Mark Miller
>            Priority: Minor
>         Attachments: spanhighlighter.patch, spanhighlighter10.patch, spanhighlighter11.patch,
spanhighlighter12.patch, spanhighlighter2.patch, spanhighlighter3.patch, spanhighlighter5.patch,
spanhighlighter6.patch, spanhighlighter7.patch, spanhighlighter8.patch, spanhighlighter9.patch,
spanhighlighter_patch_4.zip
>
>
> This patch adds a new Scorer class (SpanQueryScorer) to the Highlighter package that
scores just like QueryScorer, but scores a 0 for Terms that did not cause the Query hit. This
gives 'actual' hit highlighting for the range of SpanQuerys and PhraseQuery. There is also
a new Fragmenter that attempts to fragment without breaking up Spans.
> See http://issues.apache.org/jira/browse/LUCENE-403 for some background.
> There is a dependency on MemoryIndex.

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