On 19 September 2017 at 21:03, Yuri Astrakhan <yuriastrak...@gmail.com> wrote:

> There is now a relatively small number of OSM nodes and relations remaining,
> that have wikipedia, but do not have wikidata tags.

Thank you for your continued excellent work on this.

> iD editor already
> automatically adds wikidata to all new edits, so finishing up the rest
> automatically seems like a good thing to do, as that will allow many new
> quality control queries. I would like to auto-add all the corresponding
> wikidata based on wikipedia, for all remaining objects, using  JOSM's "Fetch
> Wikidata IDs".

Excellent idea; please do.

> This way, we will be able to quickly find all the objects that are
> problematic with the Wikidata+OSM service. For example, thanks to the
> community, we already fixed over 600 incorrect links to wiki disambiguations
> pages, and this will find many more of them.  We will be able to fix when
> things are tagged as people (e.g. wikidata -> person, instead of
> subject:wikidata -> person), find location errors (e.g. wikidata and OSM
> point to very different locations, implying that its an incorrect link).

The commonest error I have found is wikidata=Qnnn instead of
brand:wikidata=Qnnn for franchises like McDonalds and petrol stations.

Andy Mabbett

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