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https://issues.apache.org/jira/browse/LUCENE-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796181#action_12796181
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Steven Rowe commented on LUCENE-2181:
-------------------------------------
{quote}
bq. ... these four files don't have Apache2 license declarations in them. We
should put a README (or something like it) with these files to indicate the
license.
Are they really apache license? or derived from wikipedia content?... I don't
think we should be putting apache license headers in these files
{quote}
Hmm, I just assumed that since these files were not (anything even close to)
verbatim copies that they were independently licensable new works, but it's
definitely more complicated than that...
This looks like the place to start where licensing is concerned:
http://en.wikipedia.org/wiki/Wikipedia_Copyright
My (way non-expert) reading of this is that Wikipedia-derived works (and I'm
pretty sure these frequency lists qualify as such) must be licensed under the
[Creative Commons Attribution-Share Alike 3.0 Unported
license|http://creativecommons.org/licenses/by-sa/3.0/], which does not appear
to me to be entirely compatible with the Apache2 license.
So I agree with you :) - with the caveat that some form of attribution and a
pointer to licensing info should be included with these files.
> benchmark for collation
> -----------------------
>
> Key: LUCENE-2181
> URL: https://issues.apache.org/jira/browse/LUCENE-2181
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/benchmark
> Reporter: Robert Muir
> Assignee: Robert Muir
> Attachments: LUCENE-2181.patch.zip
>
>
> Steven Rowe attached a contrib/benchmark-based benchmark for collation (both
> jdk and icu) under LUCENE-2084, along with some instructions to run it...
> I think it would be a nice if we could turn this into a committable patch and
> add it to benchmark.
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