No you cannot: CC-BY-SA is not intended for data, so regarding data
you should never use any CC licence (pre-version 4.0, v4 will address
database rights) other than CC0. That's why if you want BY-SA
conditions, the good choice is ODbL which was created by the Open
Knowledge Foundation exactly for this, a share alike licence for
opendata.
Like I already said a few months back, I totally agree with Alex :
using ODbL and therefore keep along the BY-SA choice that rules
Wikipedia is the most logical choice. Mocing towards CC0 would be a
source of a lot of possible conflicts and possible infringements of
Wikipedia's content licence.
Benjamin Ooghe-Tabanou from Regards Citoyens (France)
On Wed, Nov 28, 2012 at 5:23 PM, Denny Vrandečić
<denny.vrandecic@wikimedia.de> wrote:
> Can you give me a reference for the statement that CCBYSA and ODBL are
> compatible? I understand that they have certain similarities, but I want to
> understand if I can take ODBL content and relicense it under CCBYSA and the
> other way around.
>
> Or else what do you mean with "compatible"?
>
>
> 2012/11/28 Alexrk <alexrk2@yahoo.de>
>>
>> I guess things would be far more easier if WikiData would choose a
>> CCBYSA-compatible database license like ODbL. I can only repeat myself, that
>> the OpenStreetMap community went through a similar discussion and decided to
>> respect database rights and keep their data as clean as possible. Because
>> they didn't want to take the legal risk, that after 5 years a big company
>> like Google will sue them and so OSM might loose the work of 5 years.
>>
>> I also think that there are two aspects in this topic: 1) the pure legal
>> aspects and 2) how we (Wikipedia users) treat each other and respect the
>> work of others. So the WMF might say: hey you European guys with your DB
>> rights... bad luck that you invest all your work into a US hosted project -
>> we don't care about your rights. Even _if_ this is legally not to be
>> objected, is it fair against the users?
>>
>> To make it clear: I'm into lots of list articles (streets and monuments)
>> which contains lots of data. This content is licenced under CCBYSA today.
>> The day when all this content will be expropriated by WikiData, is the day
>> I'll stop my work for these Wikipedia projects.
>>
>> Regards
>> Alex
>>
>> --
>> http://de.wikipedia.org/wiki/Benutzer:Alexrk2
>>
>>
>>
>>
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