2012/9/7 Dave Sutter <sut...@intransix.com> > I was thinking of using the ref tag as the publicly used term for the > entity. For example, there is a bus route 110 for SamTrans (San Mateo > county, California). I imagine the ref for this route is 110. There > could be some added information to specify this is a bus route for > SamTrans, as opposed to a room number in some academic building or an > exit on a freeway. > > Perhaps tags such as ref:type = Bus Route, and ref:scope = SamTrans > > The external database would also specify the same reference, and then > the two could be matched. >
But if you combine several already existing tags, like 'ref=38' and 'operator=SamTrans' then that should be good enough. If you add a website=*, there shouldn't be a chance that there is going to be duplicate elements somewhere in the database. Janko
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