I'm no expert, in fact I'm worse than an amateur commenting on legal
matters, I'm an amateur applying common sense to legal matters, but here
goes! ;-)
I would have thought that licensing cascades down, so as long as OSM
attributes OGL then any other uses of OSM are inferring an attribution
to OGL! Otherwise when we receive our Oscar instead of just thanking
our Parents and God, we'd have to thank our parents and grand-parents
and great gran-parents and great great grand-parents ad infinitum and
God! Which means we'd never get to thank God! Then where would we be ;-)
Jonathan
http://bigfatfrog67.me
On 25/01/2014 17:09, Matthijs Melissen wrote:
On 24 January 2014 11:00, Robert Whittaker (OSM lists)
<robert.whittaker+...@gmail.com> wrote:
If you read to the end of the OGL, you'll find that it helpfully says:
"These terms are compatible with the Creative Commons Attribution
License 4.0 and the Open Data Commons Attribution License, both of
which license copyright and database rights. This means that when the
Information is adapted and licensed under either of those licences,
you automatically satisfy the conditions of the OGL when you comply
with the other licence."
So you can be confident that if you have data under the OGL then you
would have sufficient rights to allow re-distribution under the ODC-By
licence, which in turn implies it's ok for OSM to distribute it under
the ODbL.
One thing that confuses me is how different licenses that require
attribution can be compatible, or even how a work under one license
requiring attribution can be re-used under that same license. The OGL
requires the attribution 'Contains public sector information licensed
under the Open Government Licence v2.0' (or a more specific
attribution). Openstreetmap requires '© OpenStreetMap contributors'.
So if someone re-uses Openstreetmap data that contains OGL data and
only attributes it with '© OpenStreetMap contributors', would that not
be a violation of the license of the OGL data, because the government
is not attributed? Can someone clarify that?
Kind regards,
Matthijs
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