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https://issues.apache.org/jira/browse/CODEC-187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066138#comment-14066138
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michael tobias commented on CODEC-187:
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Sorry I have not had much time do more testing on this. As I said previously
all known bugs have been sorted in the latest build - but that doesnt mean
there are none left.
I have been doing my testing on a genealogical database of 4 million records
which have been indexed in Solr and also in another system with BMPM
implemented. The number of matches to searches in both systems are
near-identical thus far but I have not drilled down to compare the actual BMPM
tokens. However even if the list of tokens generated are not a perfect match
the results of the 2 sets of searches suggest that there is sufficient overlap
in all cases for the results to be broadly equivalent.
I would like to do more testing but I am really busy preparing for a conference
and will be out of action for several weeks so can do no more at this time.....
Regards
M
> Beider Morse Phonetic Matching producing incorrect tokens
> ---------------------------------------------------------
>
> Key: CODEC-187
> URL: https://issues.apache.org/jira/browse/CODEC-187
> Project: Commons Codec
> Issue Type: Bug
> Affects Versions: 1.9
> Reporter: michael tobias
> Priority: Minor
> Fix For: 1.10
>
> Attachments: CODEC-187.patch, CODEC-187_ashkenazi_approx_any.patch,
> CODEC-187_ashkenazi_approx_any_v2.patch, CODEC_187_sync_with_v3.3.diff
>
>
> I believe the Beider Morse Phonetic Matching algorithm was added in Commons
> Codec 1.6
> The BMPM algorithm is an EVOLVING algorithm that is currently on version 3.02
> though it had been static since version 3.01 dated 19 Dec 2011 (it was first
> available as opensource as version 1.00 on 6 May 2009).
> I can see nothing in the Commons Codec Docs to say which version of BMPM was
> implemented so I am not sure if the problem with the algorithm as coded in
> the Codec is simply an old version or whether there are more basic problems
> with the implementation.
> How do I determine the version of the algorithm that was implemented in the
> Commons Codec?
> How do we ensure that the algorithm is updated if/when the BMPM algorithm
> changes?
> How do we ensure that the algorithm as coded in the Commons Codec is accurate
> and working as expected?
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