[OSM-legal-talk] License question, user clicking on map

[Jean-Marc Liotier]

On 02/28/2013 05:54 AM, Jake Wasserman wrote:
> I'm a little confused.  The way I interpret your comment, merely
> storing ODbL and non-ODbL data in the same database triggers share
> alike.  But on the use cases wiki page
> (http://wiki.openstreetmap.org/wiki/License/Use_Cases), Case 4 says:
> 'It makes no difference whether you store the data sets separately, or
> together in the same "database" software, whether that is a RDBMS,
> NOSQL, filesystem or anything else. So long as the other data isn't
> derived from OSM, the result is a Collective Database, not a
> Derivative Database.'  In other words, storing ODbL and non-ODbL data
> together does not trigger share alike.

What I understand is that the difference between Derivative Database and
Collective Database is whether or not the data is published under a
common namespace. What storage is used does not matter.