On Fri, Jul 1, 2016 at 1:22 PM, Yuri Astrakhan <[email protected]> wrote:
> Simone, I think it was a mistake to add P402 to wikidata. From what I have
> been told, OSM IDs change too frequently to be reliable, e.g when user edits
> a road and splits some part of it with a different subset of tags. (Haven't
> tested it myself)

what you are referring to can be applied to roads and POIs, relations
tend to differ (from a real world usage point-of-view)

as far as border (administrative) relations are concerned, they tend
to stick around longer. 95% ot the borders in OSM (in Italy at least)
have been around since when I uploaded them 7 years ago, they have
been updated, but they kept the original ID.

as a representative example, have a look at the one for Pavia:
https://www.openstreetmap.org/relation/44383

> The reverse tagging is by far more valuable, but at the moment OSM editor
> does not make it easy -- there is no lookup or autocomplete when entering
> wikidata ID, and when entered, it shows as a number, not as text from
> wikidata label.

iD has been enabled for wikidata lookup and I would like to go forward
and do a mass import of wikidata items references to OSM (in italy).

-- 
-S

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