[odc-discuss] ODbL: Does publishing Produced Work from Derivative Database trigger Derivative Database ShareAlike?

[Simon Ward]

On Wed, Mar 04, 2009 at 05:10:23PM -0500, Jonathan Rochkind wrote:
> Now, if you had _other_ data in the db which you did not believe that 
> you needed to share (or worse yet, that you licensed from someone else 
> under conditions that did not ALLOW you to share it), that would become 
> _much_ more unworkable.  And I'd have no good solution then. I'm not 
> sure if the intent of this license is in fact to prevent people from 
> combining open street map data in a database which ALSO includes 
> commercial licensed non-open data? 

4.4c states that you should not add incompatible data to derivative
databases.

The databases would then have to be independent, but may form parts of a
collective database, which isn’t required to be licensed under the ODbL
(section 4.5a).

So, some combinations of non‐open data and OpenStreetMap data are
prevented.

Simon Ward
-- 
A complex system that works is invariably found to have evolved from a
simple system that works.—John Gall
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