
Worked on modernizing the RDF stack and validation pathway in the hapifhir/hapi-fhir repository, focusing on security and interoperability. Upgraded the RDF processing stack from Jena 4.9.0 to 5.3.0, addressing security vulnerabilities and improving parsing and writing capabilities. Migrated ShEx validation from shexjava to jena-shex, reducing external dependencies and aligning with the current Jena ecosystem. Updated initialization routines, adapted reader and writer handling, and enhanced test coverage to ensure compatibility and stability. Utilized Java and YAML for code refactoring, dependency management, and testing, resulting in improved maintainability and a clear migration path for future RDF tooling updates.
February 2025: Delivered security-focused modernization of the RDF stack and validation pathway in hapifhir/hapi-fhir, enabling stronger data interoperability and compliance. Focused on upgrading the RDF processing stack to Jena 5.3.0 and migrating ShEx validation from shexjava to jena-shex, with test and initialization updates to ensure stability.
February 2025: Delivered security-focused modernization of the RDF stack and validation pathway in hapifhir/hapi-fhir, enabling stronger data interoperability and compliance. Focused on upgrading the RDF processing stack to Jena 5.3.0 and migrating ShEx validation from shexjava to jena-shex, with test and initialization updates to ensure stability.

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