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https://issues.apache.org/jira/browse/LUCENE-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569641#action_12569641
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Otis Gospodnetic commented on LUCENE-1166:
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I haven't looked at the patch.
But I'm wondering if a similar approach could be used for, say, word
segmentation in Chinese?
That is, iterate through a string of Chinese characters, buffering them and
looking up the buffered string in a Chinese dictionary. Once there is a
dictionary match, and the addition of the following character results in a
string that has no entry in the dictionary, that previous buffered string can
be considered a word/token.
I'm not sure if your patch does something like this, but if it does, I am
wondering if it is general enough that what you did can be used (as the basis
of) word segmentation for Chinese, and thus for a Chinese Analyzer that's not
just a dump n-gram Analyzer (which is what we have today).
> A tokenfilter to decompose compound words
> -----------------------------------------
>
> Key: LUCENE-1166
> URL: https://issues.apache.org/jira/browse/LUCENE-1166
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Analysis
> Reporter: Thomas Peuss
> Attachments: CompoundTokenFilter.patch, CompoundTokenFilter.patch,
> CompoundTokenFilter.patch, de.xml, hyphenation.dtd
>
>
> A tokenfilter to decompose compound words you find in many germanic languages
> (like German, Swedish, ...) into single tokens.
> An example: Donaudampfschiff would be decomposed to Donau, dampf, schiff so
> that you can find the word even when you only enter "Schiff".
> I use the hyphenation code from the Apache XML project FOP
> (http://xmlgraphics.apache.org/fop/) to do the first step of decomposition.
> Currently I use the FOP jars directly. I only use a handful of classes from
> the FOP project.
> My question now:
> Would it be OK to copy this classes over to the Lucene project (renaming the
> packages of course) or should I stick with the dependency to the FOP jars?
> The FOP code uses the ASF V2 license as well.
> What do you think?
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