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Wikimedia Commons has a new feature where a picture can have metadata saying it depicts a given Wikidata item.

For instance, https://commons.wikimedia.org/wiki/File:Grandpark_Plaza.jpg depicts https://www.wikidata.org/wiki/Q11303 (skyscraper).

My question: How to find the Wikidata items that:

  • Are used as a "depicts" value by a lot of Wikimedia Commons files
  • Do NOT have a P18 (image) property

It is tricky because it involves two Wikibase servers: Wikidata, and the Structured Data on Commons (SDoC)'s Wikibase server. I am open to any solution, SPARQL or not, hosted or not, open source or not.

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