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https://issues.apache.org/jira/browse/LUCENE-3915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13237826#comment-13237826
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Christian Moen commented on LUCENE-3915:
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Thanks, Robert.
I'm thinking it could be useful to expand this filter with an option that
controls how the reading is actually being used. I see two primary cases for
this:
# Use the reading as the term attribute
# Use the reading as a synonym
The latter option can be useful for certain applications where we'd like to be
able to search by reading and get kanji matches.
Expanding further on this scenario, we would then probably want to support
readings in several scripts:
* Romaji (Hepburn)
* Hiragana
* Katakana
This filter should be optional and available as tool to support these
applications -- and of course the on-going Japanese spell-check work.
Thoughts?
> Add Japanese filter to replace term attribute with readings
> -----------------------------------------------------------
>
> Key: LUCENE-3915
> URL: https://issues.apache.org/jira/browse/LUCENE-3915
> Project: Lucene - Java
> Issue Type: New Feature
> Reporter: Christian Moen
> Priority: Minor
> Attachments: LUCENE-3915.patch, LUCENE-3915.patch
>
>
> Koji and Robert are working on LUCENE-3888 that allows spell-checkers to do
> their similarity matching using a different word than its surface form.
> This approach is very useful for languages such as Japanese where the surface
> form and the form we'd like to use for similarity matching is very different.
> For Japanese, it's useful to use readings for this -- probably with some
> normalization.
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