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@sl007 @acka47 I'm not sure I understand the question. It might help to see some examples.

@edsu @acka47

The concrete example is that we have published the first part of the Vocabulary at the page https://redaktor.github.io/vocab/
following the https://skohub.io approach.

What I would now like to express in the turtle files in huge https://github.com/redaktor/vocab/blob/main/Vocab.ttl is e.g.
for a movie Director:

concept 012011
can appear as wikidata property
P57

or

concept 012011
is described by wikidata entity
Q3455803

@sl007 @acka47 ok, I understand now, and I don't know the answer. I think in semweb land that pushes into reification, which was never something I really understood very well.

Is there a reason why you wouldn't want to use one of the skos:mappingRelation to link to https://www.wikidata.org/wiki/Q3455803 instead?

@edsu @acka47

Because the SKOS spcs. said “By convention, the SKOS mapping properties are only used to link concepts in different concept schemes.”
but I would like to link SKOS with a Link and not a "different concept scheme".
Maybe got something wrong.

@sl007 @acka47 would it be bad to infer that Wikidata is a concept scheme? It looks like the Library of Congress doesn't think so, e.g.

https://id.loc.gov/authorities/subjects/sh85088067.skos.json

I haven't kept track of how other people are linking to Wikidata from SKOS. It seems like if you did you'd want to link to something that's a resource and not a property?

@edsu @acka47

It seems like if you did you'd want to link to something that's a resource and not a property?

Well, both.
Linking resources for public, but also telling my ActivityPub software internally which wd property maps to e.g. which LOC relator.

@acka47 @sl007 yes, I'm remembering that now -- I seem to remember that getting some traction ... https://journal.code4lib.org/articles/15875 -- linking to the property doesn't seem to make much sense to me though, but I've been out of the game for a while.

@edsu @sl007 Yes, linking SKOS concepts to properties seems incorrect but I understand why Sebastian would like to add a link to the property. I don't know of a property made for this. Of course you can always add it to the skos:definition for humans to see the relation. Or you create your own property to state this relation...

@acka47 @sl007 it's an open world!