Hello Thad!
What is your use case for linking Wikidata items to
schema.org properties?
It seems to me that the most important use cases of a mapping between
schema.org and
Wikidata would be
1) to export Wikidata content using
schema.org vocabulary
2) import structured data that uses
schema.org into Wikidata
3) allow
schema.org publishers to use Wikidata properties to enhance their published
data.
I don't see in this 3 use cases one in which considering
schema.org property IRIs like
http://schema.org/birthPlace as also more or less ids for regular individuals and mapping
them to Wikidata items is actually useful.
So, I would stick with using
schema.org properties IRIs as usual RDF property IRIs and use
them in Wikidata as such.
But, if you have a strong use case use 'exact match' (or something a bit weaker)
is probably the way to go. P2236 (sous-propriété externe) have been intended to be more or
less similar to rdfs:subPropertyOf.
Cheers,
Thomas
PS: The canonical IRIs for Wikidata entities are
http://www.wikidata.org/entity/QXXX and
not
http://www.wikidata.org/wiki/QXXX
Le 18 juin 2016 à 07:33, Benjamin Good
<ben.mcgee.good(a)gmail.com> a écrit :
Perhaps the new 'exact match'?
https://m.wikidata.org/wiki/Property:P2888
On Jun 17, 2016, at 8:26 PM, Thad Guidry <thadguidry(a)gmail.com> wrote:
Oh boy. I thought I had a few things figured out
with Wikidata...until
I read through the Property Talk discussions for
https://www.wikidata.org/wiki/Property_talk:P2236
(with its mentions of Freebase mapping)
So...
I've been adding a few bits of
Schema.org mapping into Wikidata today, and stumbled
upon a few things that made me rethink a few things...lolol.
QUESTION:
How to state that a Wikidata Entity (not a Property) such as
place of birth
https://www.wikidata.org/wiki/Q1322263
is the same concept or idea as a
Schema.org property
http://schema.org/birthPlace ?
I thought I could use P2236 above... but then it seems its for WD Properties, not
Entities (subjects) ?
SOLUTION ? Perhaps we could do a best practice of treating
http://schema.org/birthPlace
as an actual Identifier for the place of birth concept
https://www.wikidata.org/wiki/Q1322263
...while reserving the WD Property place of brith
https://www.wikidata.org/wiki/Property:P19 to use equivalent property
https://www.wikidata.org/wiki/Property:P1628 ?
TPT and Denny didn't leave enough notes in there for what to do about external
mapping cases of external vocabularies that are also loosely considered as metadata
dictionaries as well for the common web and developers, like
Schema.org is.
Thoughts on the SOLUTION proposed ?
Thad
+ThadGuidry
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