[Tagging] Permanent IDs RFC (was part_of:wikidata)

Marc Gemis marc.gemis at gmail.com
Thu Nov 30 04:18:27 UTC 2017


I also see several problems to define the "same" concept:

* a shop that closes (bankrupt) and a new that opens afterwards. Is
this the same shop ? Is there a difference when the shop owner remains
the same?  When the products they sell are the same (I have a case of
bakery that closed and opened a few months later with new owners and a
different name in my town) ?

* What if the shop moves to a new address ? What if someone already
recorded the shop at the new location, how do we merge the IDs?

* A restaurant POI and the building it resides in are 2 different
concepts, they both need their own permanent ID. How can we
distinguish them ? How does the software knows this when someone
"joins" the POI and the building ?

* What do you do when a modern part is attached to a listed building ?
Will the building parts have permanent IDs ?

This is something you cannot solve with software alone. A human has to
try to decide what you have to do with the permanent IDs in some
(many?) cases.

m.

On Thu, Nov 30, 2017 at 3:13 AM, Yuri Astrakhan <yuriastrakhan at gmail.com> wrote:
> Permanent IDs has been brought up several times, especially as part of the
> Wikidata ID discussion. I started a wiki page to outline the requirements
> and goals, but it might be incomplete, feel free to add / correct / comment.
>
> https://wiki.openstreetmap.org/wiki/Permanent_ID
>
> Once we reach the agreement on the goals, we can figure out the
> implementation strategy.
>
>
> On Tue, Nov 28, 2017 at 2:47 PM, Andy Mabbett <andy at pigsonthewing.org.uk>
> wrote:
>>
>> On 28 November 2017 at 16:40, Christoph Hormann <osm at imagico.de> wrote:
>>
>> > The problem is OSM is a map of the physical world, not a map of the
>> > world's databases.  If Wikidata wants to create links between OSM and
>> > other databases that is great but so far i think no one has made a good
>> > case why this linking information should be stored in OSM rather than
>> > Wikidata.
>>
>> Then you are not paying attention. OSM IDs are volatile - far more
>> volatile than Wikipedia IDs, let alone Wikidata IDs.
>>
>> > Again my suggestion: Working on better ways to address features in OSM
>> > in a stable way from the outside would be much more productive
>>
>> Great! Let us know when you have a working solution, consensus to
>> implement it, and tools that work with it.
>>
>> --
>> Andy Mabbett
>> @pigsonthewing
>> http://pigsonthewing.org.uk
>>
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