I'd say FILTER NOT EXISTS is somewhat closer in semantics, likely to be more efficient, and more flexible (with MINUS the inner patterns must share an outer variable)
today's the 2nd July - entries closed last night
However unfortunately the closing date was yesterday
The link takes you here https://www.omg.org/events/omg-semantic-augmentation-challenge/ which in the second paragraph under Challenge says "The file can be downloaded located at this location."
Here's the official announcement, please share https://www.linkedin.com/feed/update/urn:li:activity:7333894050472771586/
Important - this has been made a virtual-only event and postponed to July. Further details, including new submission date, to follow.
$1k Semantic Augmentation Challenge Provide an approach for annotating and transforming a CSV dataset! Feel free to reuse existing tech or standards. Details https://www.omg.org/events/2025q2/special-events/omg-semantic-augmentation-challenge.htm
Impressive, Marcel O., it may have a nice synergy with the Data Products spec we've been working on which also extends DCAT
Not that I'm aware of in addition to myself and a colleague.