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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3653) Support Smart Simplified Chinese in Solr - include clean-up bigramming filter
Date Fri, 20 Jul 2012 12:49:34 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419096#comment-13419096
] 

Robert Muir commented on SOLR-3653:
-----------------------------------

{quote}
The "Smart" Simplified Chinese toolkit in lucene/analysis/smartcn has no Solr factories
{quote}

Actually there are factories in contrib/analysis-extras.

{quote}
and includes a "fixup" class to handle the occasional mistake made by the Smart Chinese implementation.
{quote}

I am not sure on this: if someone wants to mix an n-gram technique with a word model, they
can just
use two fields? If they want to limit the n-gram field to only longer terms, they should use
LengthFilter.

Furthermore, I don't really understand the problem here.
The word you are upset about (中华人民共和国) is in the smartcn dictionary. As I understand,
this word basically means "PRC". 
This is a single concept and makes sense as an indexing unit. Why do we care how long it is
in characters?

                
> Support Smart Simplified Chinese in Solr - include clean-up bigramming filter
> -----------------------------------------------------------------------------
>
>                 Key: SOLR-3653
>                 URL: https://issues.apache.org/jira/browse/SOLR-3653
>             Project: Solr
>          Issue Type: New Feature
>          Components: Schema and Analysis
>            Reporter: Lance Norskog
>         Attachments: SOLR-3653.patch, SmartChineseType.pdf
>
>
> The "Smart" Simplified Chinese toolkit in lucene/analysis/smartcn has no Solr factories.
Also, since it is a statistical algorithm, it is not perfect.
> This patch supplies factories and a schema.xml type for the existing Lucene Smart Chinese
implementation, and includes a "fixup" class to handle the occasional mistake made by the
Smart Chinese implementation.

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