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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2013/03/16 19:38:13 UTC
[jira] [Resolved] (LUCENE-1417) Allowing for distance measures that
incorporate frequency/popularity for SuggestWord comparison
[ https://issues.apache.org/jira/browse/LUCENE-1417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson resolved LUCENE-1417.
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Resolution: Won't Fix
SPRING_CLEANING_2013 we can reopen if necessary. This code is much different now
> Allowing for distance measures that incorporate frequency/popularity for SuggestWord comparison
> -----------------------------------------------------------------------------------------------
>
> Key: LUCENE-1417
> URL: https://issues.apache.org/jira/browse/LUCENE-1417
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spellchecker
> Affects Versions: 2.4
> Reporter: Jason Rennie
> Priority: Minor
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> Spelling suggestions are currently ordered first by a string edit distance measure, then by popularity/frequency. This limits the ability of popularity/frequency to affect suggestions. I think it would be better for the distance measure to accept popularity/frequency as an argument and provide a distance/score that incorporates any popularity/frequency considerations. I.e. change StringDistance.getDistance to accept an additional argument: frequency of the potential suggestion.
> The new SuggestWord.compareTo function would only order by score. We could achieve the existing behavior by adding a small inverse frequency value to the distances.
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