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cc-licenses - Re: Derivative Work License Compatibility Calculator

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Subject: Development of Creative Commons licenses

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  • From: "Mike Linksvayer" <ml AT creativecommons.org>
  • To: "Discussion on the Creative Commons license drafts" <cc-licenses AT lists.ibiblio.org>
  • Subject: Re: Derivative Work License Compatibility Calculator
  • Date: Tue, 19 Aug 2003 11:57:03 -0800

On Fri, 15 Aug 2003 20:40:34 -0400, "Evan Prodromou"
<evan AT wikitravel.org> said:
> OK, so, here's my inexpert analysis. (Note that not only am I not a
> lawyer, I'm not even particularly bright. Anyone foolish enough to
> take my crack-addled babblings as legal advice deserves whatever
> hellstorm is coming to them.)
>
> Attribution -> Attribution
> -> Attribution-NoDerivs
> -> Attribution-NoDerivs-NonCommercial
> -> Attribution-NonCommercial
> -> Attribution-NonCommercial-ShareAlike
> -> Attribution-ShareAlike
> -> GNU Free Documentation License
> Attribution-NoDerivs -> [none]
> Attribution-NoDerivs-NonCommercial -> [none]
> Attribution-NonCommercial -> Attribution-NonCommercial
> -> Attribution-NonCommercial-NoDerivs
> -> Attribution-NonCommercial-ShareAlike
> Attribution-NonCommercial-ShareAlike ->
> Attribution-NonCommercial-ShareAlike
> Attribution-ShareAlike -> Attribution-ShareAlike
> NoDerivs -> [none]
> NoDerivs-NonCommercial -> [none]
> NonCommercial -> NonCommercial
> -> NoDerivs-NonCommercial
> -> Attribution-NoDerivs-NonCommercial
> -> Attribution-NonCommercial
> -> Attribution-NonCommercial-ShareAlike
> NonCommercial-ShareAlike -> NonCommercial-ShareAlike
> ShareAlike -> ShareAlike
>
> I'm not sure about all of those. The *ShareAlike* and *NoDerivs* ones
> are easy; it's the Attribution, NonCommercial, and
> Attribution-NonCommercial that are a little dicey.

This agrees with my analysis. So if you were to create a matrix with
each license repeated on the x and y axes and the intersection of
allowable derivative works in each cell, you get the allowed licenses
when creating a derived work from works under two licenses, e.g., start
with Attribution and NonCommercial works, you may use
Attribution-NonCommercial, Attribution-NoDerivs-NonCommercial, or
Attribution-NonCommercial-ShareAlike.
--
Mike Linksvayer
http://creativecommons.org/learn/aboutus/people#21




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