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https://issues.apache.org/jira/browse/LUCENE-3846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-3846:
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Attachment: LUCENE-3846.patch
New patch fixing that exc in benchmark: it's a pre-existing bug in how bottom
is set ... if the queue has come empty we just have to set bottom to null.
I think we should separately fix this... I'll commit (not sure why
WFST/AnalyzingSuggester haven't hit this already). It only happens w/
exactFirst because this removes one of the competing topN paths from the queue,
and then if there aren't enough suggestions remaining the queue empties before
we find the topN results... I'll work up a test.
> Fuzzy suggester
> ---------------
>
> Key: LUCENE-3846
> URL: https://issues.apache.org/jira/browse/LUCENE-3846
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 4.1
>
> Attachments: LUCENE-3846_fuzzy_analyzing.patch, LUCENE-3846.patch,
> LUCENE-3846.patch, LUCENE-3846.patch, LUCENE-3846.patch, LUCENE-3846.patch
>
>
> Would be nice to have a suggester that can handle some fuzziness (like spell
> correction) so that it's able to suggest completions that are "near" what you
> typed.
> As a first go at this, I implemented 1T (ie up to 1 edit, including a
> transposition), except the first letter must be correct.
> But there is a penalty, ie, the "corrected" suggestion needs to have a much
> higher freq than the "exact match" suggestion before it can compete.
> Still tons of nocommits, and somehow we should merge this / make it work with
> analyzing suggester too (LUCENE-3842).
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