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https://issues.apache.org/jira/browse/LUCENE-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-4813:
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Attachment: LUCENE-4813.patch
here is an initial patch that adds this as the default yet optional statistics.
> Allow DirectSpellchecker to use totalTermFrequency rather than docFrequency
> ---------------------------------------------------------------------------
>
> Key: LUCENE-4813
> URL: https://issues.apache.org/jira/browse/LUCENE-4813
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spellchecker
> Affects Versions: 4.1
> Reporter: Simon Willnauer
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4813.patch
>
>
> we have a bunch of new statistics in on our term dictionaries that we should
> make use of where it makes sense. For DirectSpellChecker totalTermFreq and
> sumTotalTermFreq might be better suited for spell correction on top of a
> fulltext index than docFreq and maxDoc
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