Definition: AI Model Registry ABB is a technology service that stores, manages, versions, and governs artificial intelligence models and their metadata, enabling controlled promotion, deployment, auditability, and lifecycle management Last modification: 2026-01-26 Identifier: http://data.europa.eu/dr8/AIModelRegistryTechnologyService LOST view: Technical view – infrastructure EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:AIModelRegistryTechnologyService Additional identifier: http://data.europa.eu/dr8/AIModelRegistryTechnologyService Synonym: Model Repository , Model Catalog , Model Governance , Model Versioning Example: Azure ML Model Registry , AWS SageMaker Model Registry , Google Vertex AI Model Registry , MLflow Model Registry Interoperability Saliency: AI Model Registry enables interoperable AI governance by ensuring that models used by different digital public services can be consistently identified, versioned, approved, and deployed across infrastructures and Member States. Additional information: The Model Registry acts as the control point between model development and operational use, ensuring that only approved, traceable, and compliant models are made available. Interoperability Dimension: Structural IoP EIF Layer: TechnicalInfrastructure