This effort is super to see. As a Wikidata dilettante I was wondering if any 
thought has gone into what to do when data sources do not agree about a 
particular measurement. For example, consider the most basic example from the 
format [3]:

    Population was __________ in ____

What if the World Bank says the population was 313.9 milion in 2012 but the US 
Census says it was 313,999,179 on July 19, 2012? Is there the ability to record 
the source of the data in Wikidata?

    Population was __________ in ____ according to ______

Otherwise couldn’t the bots potentially stomp on each other? Or will some 
coordination happen where data from a particular source and bot will be 
privileged over others? How will that be documented? Or perhaps bots can watch 
for disagreements about a measurement (different value for the same property at 
the same time) and flag them for downstream processing by people? In a way, 
seeing how divergent these data sources are is interesting in itself.

I’m not trying to throw a wrench into the gears, I was just curious if there is 
an established Wikidata way to answer this question when it (inevitably) comes 
up. Perhaps I’m mistaken, but it seems to me that people disagreeing on 
Wikipedia is a substantially different situation than bots disagreeing on 
Wikidata. The bots will trample on each others work without a care, but people 
have the potential to discuss, negotiate and arrive at a solution. It seems 
like we might need to build some of this care into the data collection tools 
proposed for this project?

//Ed
 
[1] https://meta.wikimedia.org/wiki/The_Global_Economic_Map:_Format

On Jun 8, 2014, at 9:55 PM, Alex Peek <[email protected]> wrote:

> We are a new project looking for volunteers.
> 
> Project homepage: https://meta.wikimedia.org/wiki/The_Global_Economic_Map
> 
> Thanks,
> 
> Alex
> _______________________________________________
> Wikidata-l mailing list
> [email protected]
> https://lists.wikimedia.org/mailman/listinfo/wikidata-l

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