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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2507) automaton spellchecker
Date Thu, 30 Sep 2010 20:54:34 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-2507:
--------------------------------

    Attachment: LUCENE-2507.patch

I improved the quality and performance of this spellchecker, integrated it with the other
spellchecker APIs,
and did the Solr side. I think minus some more tests and docs (especially on the various options)
its good to go.


> automaton spellchecker
> ----------------------
>
>                 Key: LUCENE-2507
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2507
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/spellchecker
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2507.patch, LUCENE-2507.patch, LUCENE-2507.patch, LUCENE-2507.patch
>
>
> The current spellchecker makes an n-gram index of your terms, and queries this for spellchecking.
> The terms that come back from the n-gram query are then re-ranked by an algorithm such
as Levenshtein.
> Alternatively, we could just do a levenshtein query directly against the index, then
we wouldn't need
> a separate index to rebuild.

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