[OSM-legal-talk] Share-A-Like (non-) Verifiability because they are not publicly accessable

Oliver (skobbler) osm.oliver.kuehn at gmx.de
Wed Jun 23 09:11:56 BST 2010


Hello everybody,

I am still concerned that some business users cannot make use of
OpenStreetMap data because of the Share-Alike-rule as they don't want or
cannot share proprietary data. Personally, I am a big fan of the
Share-Alike-rule but I think there should be some exceptions.

I have the following interpretation in mind that could make the life of
business users easier without undermining the generic Share-Alike rule:

* ODbl says that every derivative database has to be made available under
the same terms as OSM data
* It is not yet clear if "data outside the core ideas of OSM (see 
http://wiki.openstreetmap.org/wiki/Verifiability verifiable )" have to be
considered Derivative or Collective database for the sake of being
substantial
* I personally think that "publicly accessible" is a prerequisite to to
"Verifiability" 

Let's assume that a business user has a database of non-publicly accessible
objects (e.g. a subsurface cable network for demonstration purposes). If the
user installs its own instance of an OpenStreetMap server and draws the
"non-publicly accessible subsurface cable network" into the database. 

Would it be possible that all objects and attributes of these objects that
are non-publicly accessible to declare as non-substantial due to the lack of
verifiability? This could give a big boost among business user that want to
map proprietary data that are non-publicly accessible (otherwise they would
not be concerned to "share" them). While everything they draw or alter (in
the sense of changing or adding attributes) for publicly accessible objects
would have to be "shared".

Regards,
Oliver
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