<div class="gmail_quote">On Sun, Aug 22, 2010 at 7:50 PM, David Groom <span dir="ltr"><<a href="mailto:reviews@pacific-rim.net">reviews@pacific-rim.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
----- Original Message ----- From: "80n" <<a href="mailto:80n80n@gmail.com" target="_blank">80n80n@gmail.com</a>><br>
To: "Licensing and other legal discussions." <<a href="mailto:legal-talk@openstreetmap.org" target="_blank">legal-talk@openstreetmap.org</a>><br>
Sent: Sunday, August 22, 2010 6:26 PM<br>
Subject: Re: [OSM-legal-talk] Is CC-BY-SA is compatible with ODbL - a philosophical point<div class="im"><br>
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<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
On Sun, Aug 22, 2010 at 5:44 PM, David Groom <<a href="mailto:reviews@pacific-rim.net" target="_blank">reviews@pacific-rim.net</a>>wrote:<br>
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<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Why are we changing the licence? Well [1] states among other things that "<br>
[CC-BY-SA] is therefore very difficult to interpret", and we have indeed<br>
seen this situation occur many times when people have asked what can and<br>
can't be done with OSM data, and no definitive answer could be found.<br>
<br>
If it was unclear if something was allowed under CC-BY-SA then users of our<br>
data were asked to take a cautious approach. And that seems very reasonable<br>
stance to take, even though it resulted in a lower than hoped for use of OSM<br>
data. So it was decided that since even the OSM community could not<br>
categorically say how CC-BY-SA applied to OSM data a licence change was<br>
needed.<br>
<br>
Move forward a bit and we start to implement the new licence. Since we<br>
could not reach consensus on how CC-By-SA applied to "our" data, it seems<br>
reasonable to assume that we can not assume how CC-BY-SA data applies to<br>
other people data, and therefor to be safe I presume we won't simply be<br>
blindly importing CC-BY-SA data into OSM. I presume we will be approaching<br>
providers of data that has a CC-BY-SA licence and asking if we can use that<br>
data in OSM. So our permission to use the data will stem not from a<br>
CC-BY-SA licence, but from the explicit permission given by the copyright<br>
holder.<br>
<br>
Or am I missing something?<br>
<br>
David, CC-BY-SA licensed content is incompatible with ODbL+CT.<br>
</blockquote>
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CC-BY-SA derived content would not be allowed in an ODbL version of OSM.<br>
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</blockquote>
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80n<br></div>
Sorry I should have made it clear that I realise that. As I titled the post, it was more a philosophical point that extended beyond the confines of the CT's & ODbL.<br>
<br></blockquote><div> </div><div>David, I know that you realise that. I just wanted to clarify this for the benefit of others reading this thread who may not have the detailed background knowledge or stumble on this thread out of context.<br>
<br> </div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I suppose where it ovelaps with the discussion on CT & ODbl is where I asked if "we will be approaching providers of data that has a CC-BY-SA licence and asking if we can use that data in OSM. So our permission to use the data will stem not from a CC-BY-SA licence, but from the explicit permission given by the copyright holder". As such it then wouldn't matter if CC-BY-SA were incompatible eith the CT & ODbL as we would not be relying on the CC-BY-SA licence, but rather on the explicit permisison.<br>
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David</font><div><div></div><div class="h5"><br>
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<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
80n<br>
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<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Furthermore if we don't approach CC-BY-SA providers and ask if we can use<br>
their data, then we are using it by virtue of the fact it is CC-BY-SA, and<br>
surely the CC-BY-SA permissions "flow though into" the OSM data. In which<br>
case nothing has been gained from the licence change process as the same<br>
permissions which were there before (and were difficult to interpret) still<br>
exist.<br>
<br>
Apologies if this has been discussed before, but I cant see anything about<br>
it on the implementation plan [2]<br>
<br>
David<br>
<br>
<br>
[1]<br>
<a href="http://www.osmfoundation.org/wiki/License/We_Are_Changing_The_License#Why_are_we_changing_the_license.3F" target="_blank">http://www.osmfoundation.org/wiki/License/We_Are_Changing_The_License#Why_are_we_changing_the_license.3F</a><br>
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[2]<br>
<a href="http://wiki.openstreetmap.org/wiki/Open_Database_License/Implementation_Plan" target="_blank">http://wiki.openstreetmap.org/wiki/Open_Database_License/Implementation_Plan</a><br>
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</blockquote></blockquote>
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