The European Interoperability Reference Architecture (EIRA)

• architecture content metamodel
• contains architectural building blocks (ABBs) to build interoperable e-Government systems
• provides a common terminology
• uses and extends ArchiMate
• version 5.0.0 is the latest version: https://joinup.ec.europa.eu/collection/european-interoperability-reference-architecture-eira
• EIRA ontology v1.0.0 is aligned with EIRA 4.1.0