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From "Rohit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEXT-103) Add provision to change the cost for insert, delete and replace operation in levenshtein distance
Date Tue, 17 Oct 2017 07:33:00 GMT

    [ https://issues.apache.org/jira/browse/TEXT-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16207120#comment-16207120
] 

Rohit Agarwal commented on TEXT-103:
------------------------------------

I would like to do the same, please assign this to me.

> Add provision to change the cost for insert, delete and replace operation in levenshtein
distance
> -------------------------------------------------------------------------------------------------
>
>                 Key: TEXT-103
>                 URL: https://issues.apache.org/jira/browse/TEXT-103
>             Project: Commons Text
>          Issue Type: Improvement
>            Reporter: Rohit Agarwal
>            Priority: Minor
>              Labels: newbie, patch
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> There are two implementation of levenshtein distance, unlimitedCompare and limitedCompare.
> I propose to generalise the levenshtein distance by adding an option to change the value
of
> 1) Addition of Character.
> 2) Deletion of Character.
> 3) Substitution of Character.
> Currently they are all set to 1. For backward compatibility this will be the default
case.



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