[OSM-talk] Ground truth for non-physical objects

Colin Smale colin.smale at xs4all.nl
Sat Dec 15 14:09:42 UTC 2018


Please choose your words more carefully. Sounds like you are suggesting that everything needs to be dual sourced now. This kind of fundamental principle needs to be expressed with the same degree of care as a law, so it should be as simple as possible (but no simpler) and unambiguous.


On 15 December 2018 14:53:31 CET, Christoph Hormann <osm at imagico.de> wrote:
>On Saturday 15 December 2018, Colin Smale wrote:
>> > The whole point of the "verifiability" and "ground truth"
>> > principles is so as _not_ to have to rely on documents.
>>
>> First time I have heard that as a (documented) rationale behind
>> "ground truth".
>
>Independent verifiability, i.e. that you can verify statements through 
>independent observation without access to the same sources is and has 
>always been the core of verifiability in OSM.
>
>-- 
>Christoph Hormann
>http://www.imagico.de/
>
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