On 28 November 2017 at 14:36, Kevin Kenny <kevin.b.kenny+...@gmail.com> wrote:

> I would need to understand the use cases and
> what value they add to the map

P.S.

The key here is to understand the concept of "linked data" [1], or
rather "linked, open data" [2]. In other words,  making inline data
more understandable by linking it to other data, using URIs.

You will have heard of Sir Tim Berners-Lee. He devised the "five stars
of open data"[3], the fifth highest level of which is "link your data
to other data to provide context". By including a Wikidata ID (which
software understands as a URI), in an OSM object (and indeed in a
tag-definition page on the OSM wiki), we link that object to an object
(item) on Wikidata, and from there, directly and indirectly, to items
in many other systems. That makes OSM part of the open data graph [4],
rather than an isolated system, separate from it. I really do urge you
to look at that last link, and to contemplate the value of making OSM
part of what t represents.


[1] https://en.wikipedia.org/wiki/Linked_data

[2] https://en.wikipedia.org/wiki/Open_data

[3] http://5stardata.info/en/

[4] http://lod-cloud.net/

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