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https://issues.apache.org/jira/browse/LUCENE-786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Otis Gospodnetic resolved LUCENE-786.
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Resolution: Fixed
Lucene Fields: [New, Patch Available] (was: [Patch Available, New])
Applied, merci Karl.
> Extended javadocs in spellchecker
> ---------------------------------
>
> Key: LUCENE-786
> URL: https://issues.apache.org/jira/browse/LUCENE-786
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Javadocs
> Affects Versions: 2.0.0
> Reporter: Karl Wettin
> Assigned To: Otis Gospodnetic
> Priority: Trivial
> Attachments: spellcheck_javadocs.diff
>
>
> Added some javadocs that explains why the spellchecker does not work as one
> might expect it to.
> http://www.nabble.com/SpellChecker%3A%3AsuggestSimilar%28%29-Question-tf3118660.html#a8640395
> > Without having looked at the code for a long time, I think the problem is
> > what the
> > lucene scoring consider to be best. First the grams are searched, resulting
> > in a number
> > of hits. Then the edit-distance is calculated on each hit. "Genetics" is
> > appearently the
> > third most similar hit according to Lucene, but the best according to
> > Levenshtein.
> >
> > I.e. Lucene does not use edit-distance as similarity. You need to get a
> > bunch of best hits
> > in order to find the one with the smallest edit-distance.
> I took a look at the code, and my assessment seems to be right.
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