Indeed, CC-BY-SA-4.0 data at best would be as useful as ODbL data to
OSM under its current arrangements, ie not at all without agreement to
contributor terms.
Perhaps continued copyleft fragmentation is even in the (near term
anyway) interest of OSM in order to encourage all others to use
maximally permissive licenses.
I admit to somewhat reflexively adding info about compatibility when I
saw Tom Lee's message about exploring it without thinking about
whether it is a useful discussion to have here. Apologies!
Mike
On Mon, Dec 28, 2015 at 5:46 AM, Simon Poole wrote:
>
> Mike, my understanding of the process in question determines if
> adaptations of CC by-SA material can be licensed on terms of the
> compatible license.
>
> While it would certainly be possible to carry out such a process for the
> ODbL (that is if the licence related activities of the OKF were not a
> prime candidate for the well known Frank Zappa quote "Jazz isn't dead.
> It just smells funny"), from an OSM contributor pov it doesn't make
> sense to tie our hands by using restrictively licensed material that
> would just have to be removed in the case of any change to our current
> distribution licence.
>
> Attribution only licences and explicit permissions given with
> attribution requirement are far less problematic, given on the one hand
> that we other attribution in the contributor terms and on the other
> hand, just for practical reasons, we will likely always have a licence
> with an attribution requirement.
>
> Simon
>
> Am 24.12.2015 um 17:49 schrieb Mike Linksvayer:
>> CC has a process
>> https://wiki.creativecommons.org/wiki/ShareAlike_compatibility_process_and_criteria
>>
>> It has been followed for two licenses so far
>> https://wiki.creativecommons.org/wiki/ShareAlike_compatibility:_FAL
>> https://wiki.creativecommons.org/wiki/ShareAlike_compatibility:_GPLv3
>>
>> Mike
>>
>> On Thu, Dec 24, 2015 at 8:24 AM, Tom Lee wrote:
>>> Another update: I still haven't heard anything from the academic affiliated
>>> with CC with whom I had met, so I have to assume she's no longer interested
>>> in this project. That's a shame, but I know that OKFN is amenable to
>>> examining the question of compatibility more closely. I'll continue to look
>>> for ways to make this happen in 2016.
>>>
>>> On Thu, Dec 24, 2015 at 5:22 AM, Andrew Harvey
>>> wrote:
Sorry my mistake. Thanks for picking up on that.
On 24/12/2015 9:01 pm, "Simon Poole" wrote:
> Am 23.12.2015 um 23:58 schrieb Andrew Harvey:
>> I'm really keen on seeing this compatibility question resolved too. CC
>> BY is becoming the standard license for government geospatial data in
>> Australia, and it would be much simpler to interchange data both ways
> There might be a misunderstanding there, CC by is not going to be an
> option as long as we have a licence with a share-alike component. The
> only thing that we are discussing for now is attribution only input
> licences.
>
> Simon
>
>> if it were compatible with the ODbL.
>>
>> On 15 July 2015 at 00:22, Tom Lee wrote:
>>> I'll add that I've been in touch with CC's US affiliate and they've
>>> expressed interest in resolving the compatibility question (either
>>> with
>>> formal guidance that applies to 4.0 or in preparation for the next
>>> license
>>> revision). That's on hold pending their availability at summer's end;
>>> stay
>>> tuned.
>>>
To clarify a bit, any CC licenses that are ND or NC are non-open and
clearly incompatible with the ODbL or any open license. CC BY SA 4.0
is
currently incompatible, but Creative Commons could change that.
CC BY 2.0, 2.5, and 3.0 are clearly incompatible, thanks to the
attribution requirements that can't be met.
CC BY 4.0 has some open questions about compatibility.
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