[jira] Commented: (LUCENE-1297) Allow other string distance measures in spellchecker

["Otis Gospodnetic (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-1297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601335#action_12601335 ] 

Otis Gospodnetic commented on LUCENE-1297:
------------------------------------------

You read my mind, Thomas.
Would it be appropriate to add and try Jaccard index and Dice coefficient, too, then?


> Allow other string distance measures in spellchecker
> ----------------------------------------------------
>
>                 Key: LUCENE-1297
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1297
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/spellchecker
>    Affects Versions: 2.4
>         Environment: n/a
>            Reporter: Thomas Morton
>            Assignee: Otis Gospodnetic
>            Priority: Minor
>             Fix For: 2.4
>
>         Attachments: string_distance.patch
>
>
> Updated spelling code to allow for other string distance measures to be used.
> Created StringDistance interface.
> Modified existing Levenshtein distance measure to implement interface (and renamed class).
> Verified that change to Levenshtein distance didn't impact runtime performance.
> Implemented Jaro/Winkler distance metric
> Modified SpellChecker to take distacne measure as in constructor or in set method and to use interface when calling.

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