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https://issues.apache.org/jira/browse/LUCENE-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916761#action_12916761
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Chris Male commented on LUCENE-2507:
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Hi,
Thanks for that. Covers my questions nicely.
bq. The idea here isn't to solve the world's spellchecking problems, its mainly
to get rid of the extra index.
Yes definitely. I was just checking that we weren't doing that at a cost of
reasonable suggestions. But your argument makes clear sense.
This really is a great feature.
> 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
> Assignee: 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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