[Tagging] wikidata <> other ref <> no ref

[Marc Gemis]

> Therefore, BEFORE you run a query to READ wikidata key in osm, you used
> an EXTERNAL source (for exemple a list of address of those buildings)
> and made a import or mass edition (often undocumented and therefore not
> following the rule) to WRITE wikidata on all buildings.

And what if local people just know which John Smith made the building
in their neighbourhood and mapped that ? Why do you assume 1 person
mapped all of that ?

m.