<div dir="ltr">On Mon, Apr 28, 2014 at 1:08 PM, Simon Poole <span dir="ltr"><<a href="mailto:simon@poole.ch" target="_blank">simon@poole.ch</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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There are some moderate complicated edge cases caused by and
there are some things that will not be possible with share alike
and are not intended to be possible in the first place.<br></div></div></blockquote><div><br></div><div>The problem is the gap between "what is not possible" and "what is not intended to be possible". There are lots of use cases where those two overlap pretty well, but plenty where they probably don't. This can cut both ways; either unintentionally allowing things that were intended to be prohibited, or unintentionally prohibiting things that were intended to be allowed. <br>
<br>This happens in every generic/general-purpose legal document, but ODBL probably has it worse than most because many copyleft concepts simply don't map very well into the data space. I've been working on a blog post on this problem for a while; hopefully I'll get it out soon but I can't make any promises :(<br>
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Naturally anybody is completely within its rights to lobby for
changes that would better fit their business model, but that does
not imply that everything they claim during lobbying is an
accurate description of our current licence. <br></div></div></blockquote><div><br></div><div>Without commenting on/endorsing Alex's position, suffice to say that the vast majority of lawyers I've talked with about the license, including many with long experience in open software licenses, find the license difficult to interpret. This is not entirely ODBL's fault - for example, underlying concepts, like "substantial", are essentially undefined in the caselaw, making it difficult to interpret what those clauses mean. (Compare with some equivalent clauses about "derivative works" in copyright licenses, which can rely on 100 years of caselaw as background.) But it is a reality that slows, or in some cases stops, adoption of/contribution to OSM.<br>
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Further I note there was 0 (zero) response to the proposed updated
community guidelines that go a long way in clarifying a number of
the grey areas, indicating that the whole upset is not about
fixing real issues.<br></div></div></blockquote><div><br></div><div>I am responding in small parts in the wiki[1], and in larger part in an upcoming email. I would not take lack of response on a single mailing list as a useful indicator of whether or not there are real issues or concerns, especially since most lawyers who would be aware of problems would be extremely reluctant to comment publicly on something that might impact their clients.<br>
</div><div><br></div><div>Hope that helps explain the context/situation a bit-<br></div><div>Luis<br><br></div><div>[1] <a href="https://wiki.openstreetmap.org/wiki/Special:Contributions/LuisVilla_%28WMF%29" target="_blank">https://wiki.openstreetmap.org/wiki/Special:Contributions/LuisVilla_%28WMF%29</a><br>
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Simon<br>
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Am 28.04.2014 21:26, schrieb Jake Wasserman:<br>
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<p>> or giving data back when you fix things.</p>
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<div>This is a gross oversimplification of share-alike. And
the imperfections in the license extend beyond geocoding.
I don't want to rehash the arguments, as <a href="http://stateofthemap.us/session/more-open/" target="_blank">Alex Barth did</a> very eloquently at
State of the Map US. Let's just not pretend the
requirements are "simple", "tiny", or "little", but are
instead complex and sweeping.</div>
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<div>In any case, I agree with the larger point that OSM
data users must comply with the rules as they exist and we
should publicly call out their violations.</div>
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<div>-Jake</div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div dir="ltr">Luis Villa<br>Deputy General Counsel<br>Wikimedia Foundation<br><a href="tel:415.839.6885%20ext.%206810" value="+14158396885" target="_blank">415.839.6885 ext. 6810</a><br>
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