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https://issues.apache.org/jira/browse/LUCENE-10615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17554067#comment-17554067
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Jan Dornseifer commented on LUCENE-10615:
-----------------------------------------

[~rcmuir] thanks for taking the time. I don't want the Lucene team to add 
unnecessary stuff to NOTICE.txt but in my opinion this is sensitive 
information. My intent was more of a question, as I cannot verify this 
information (dead link) and do not know under what terms this contribution was 
made. Because we, as the users, have to comply.

[~dweiss] thanks. Yes, I checked the source code before creating the issue and 
found this information, too. This is where my thoughts came from, that the 
other information from the NOTICE file may be outdated. However, this part only 
refers to the dictionary data. I see, the source code files of the package 
itself contain the Apache-2.0 header, so my thoughts now are the following:

The source code of the org/apache/lucene/analysis/cn/smart package is licensed 
under Apache-2.0 and
(either the code was contributed by Xiaoping Gao and copyright 
[www.imdict.net|http://www.imdict.net/]
or this information from the NOTICE.txt is outdated and the copyright of the 
code is Apache Software Foundation).
Additionally, dictionary data is copyright ICTCLAS and also licensed under 
Apache-2.0.

Can either one or the other be confirmed?

Licensing issues are always annoying and I am not a lawyer, but we as users 
depend on this information being complete to stay out of trouble. Hence my 
question.

> Add license information for SmartChineseAnalyzer to NOTICE.txt
> --------------------------------------------------------------
>
>                 Key: LUCENE-10615
>                 URL: https://issues.apache.org/jira/browse/LUCENE-10615
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/analysis
>            Reporter: Jan Dornseifer
>            Priority: Trivial
>
> The Lucene NOTICE file contains the statement
> The SmartChineseAnalyzer source code (smartcn) was
> provided by Xiaoping Gao and copyright 2009 by 
> [www.imdict.net.|http://www.imdict.net./]
> without providing license information. Can this information be supplemented 
> or is it even outdated?
> We are using Apache Lucene v8.4.1. We are currently subject to a license 
> audit of our software, where also 3rd party FOSS components are checked for 
> usage. Among other things, this part came to our attention. I would be very 
> grateful for information.



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