On Mon, Jun 8, 2015 at 12:40 AM, SomeoneElse <li...@atownsend.org.uk> wrote:
> However the bit that I really don't understand is that, to take an example > wikidata page: > > https://www.wikidata.org/wiki/Q23098 > > the source of that is from other, non-CC0-licensed places - how can the > result be CC0? > Because in US copyright law, facts are not copyrightable. You can source the fact that "Washington, D.C." is the "capital of the United States of America" from a copyrighted book without that fact inheriting the copyright license of the book. Note that the US does not have database rights. The relevant case is Feist v. Rural: https://en.wikipedia.org/wiki/Feist_Publications,_Inc .,_v._Rural_Telephone_Service_Co.
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