[OSM-legal-talk] FYI Collective Database Guideline

Simon Poole simon at poole.ch
Thu Jun 9 15:02:53 UTC 2016

I can understand the desire for a negative example, but:

- this is documentation of use that we are happy with, not of the opposite.

- as the preamble says there may be other ODbL compliant ways that to
not invoke share-alike to combine datasets outside of those detailed in
the guideline.

- using a contrived non-trivial negative example has the "it is
definitely going to happen" problem that it will be seen as a ruling in
use cases which are not on our table and of which we don't know the

A simple trivial example of common use that is not in line with the
guideline would be de-duplication of elements in OSM and a third party
dataset to generate a common  database. in which each object only exists


Am 09.06.2016 um 14:08 schrieb Christoph Hormann:
> On Thursday 09 June 2016, Simon Poole wrote:
>> The LWG has just forwarded the text of
>> http://wiki.openstreetmap.org/wiki/Collective_Database_Guideline to
>> the OSMF board for approval and publishing as definite guidance from
>> the OSMF.
> IIRC it was already noted by others that the lack of an example where 
> share-alike applies kind of makes the whole thing appear unbalanced and 
> endangers meeting the purpose to clarify 'where the line is drawn'.
> Independent of the actual content adding a non-trivial counter-example 
> would IMO significantly improve practical usefulness and understanding 
> of the guideline.

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