Jakub Duchateau contributed to the apache/jena repository by implementing enhanced schema generation interoperability within the Schemagen tool. He developed support for representing version metadata as a URI when versionInfo is a resource, defaulting to a literal form otherwise. This approach improved how downstream systems consume and interpret version information. Jakub ensured reliability by adding comprehensive unit tests that verified correct URI handling in various scenarios. His work leveraged Java and RDF technologies, focusing on robust test coverage and maintainable code. Over the course of the month, Jakub delivered a targeted feature that addressed schema metadata representation without introducing bug fixes.