[Tagging] "part:wikidata=*" tag proposal for multiple elements connected to the same wikidata id

[Joseph Eisenberg]

I agree, we shouldn’t create relations that combine 7 separate artworks
into one, or all the ways with the same street name, or all the peaks and
ridges in a mountain_range, just so that a wikidata= tag can be added to
the relation.

Relations are harder to maintain, and in the cases above are not necessary
for Openstreetmap:

1) artists often make related objects or even identical copies of
sculptures and place them in separate cities. We should map what is locally
verifiable: “there is an artwork here that looks like this”. Else what if
one of the dwarves is moved to Sydney? Is it still part of the same artwork
relation then? Such groupings are like categories.

2) a street or road made with many Openstreetmap ways can be handled by
routers and search applications just fine. And they can all be combined
into one linestring with post processing if needed, by looking at matching
“name” or “ref” fields. Adding a street relation is extra mapping and
maintenance work without adding new information

3) if it’s possible to verify the peaks and ridges of a named mountain
range, then map these as a natural=mountain_range way.

On Sat, Sep 14, 2019 at 5:07 AM Mateusz Konieczny <matkoniecz at tutanota.com>
wrote:

>
>
>
> 13 Sep 2019, 20:28 by andy at pigsonthewing.org.uk:
>
> On Wed, 11 Sep 2019 at 13:41, Janko Mihelić <janjko at gmail.com> wrote:
>
> sri, 11. ruj 2019. u 14:34 Joseph Eisenberg <joseph.eisenberg at gmail.com>
> napisao je:
>
>
> Doesn't this mean that it would be better to create separate Wikidata
> items for each separate OSM feature, rather than creating a new OSM
> tag?
>
> You have examples like tagging all ways that are a part of a street with
> the wikidata item about that street. You can't define those parts in
> Wikidata.
>
>
> Use a relation.
>
> Introducing pointless relation to satisfy unneded rule is pointless.
>
> At least I prefer to keep allowing using wikipedia=*
> and similar tags on multiple elements.
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