2013/3/1 John F. Eldredge <j...@jfeldredge.com> > > One issue with using officially-issued ID numbers (I assume that a VAT > number is a Value-Added Tax number assigned by the UK government) is that > there is no world-wide registry guaranteeing that the IDs are unique. A > given ID might mean one company in the UK, a different one in Germany, and > yet another company in Japan, for example. So, any such tag would need to > include a country code. > > It does: http://en.wikipedia.org/wiki/VAT_identification_number
The problem I have with this is that it gives you the VAT number of the company that got to use the franchise. That means one number for each country (maybe more in some countries?) This again makes it hard to find all McDonald's in the World. A data consumer has to do some research for each franchise he wants to list. Wikidatas Mc'Donalds is about the company you have to buy the franchise from. So why isn't franchise:wikidata=Q38076 enough? I think it's as accurate and simple as it can get. Janko
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