Data Governance for a World-Leading Cultural Heritage Organization

Domain

Cultural Heritage, Data Governance, Digital Preservation

Tech Stack

• Backend: Java, Spring Boot, Spring Security
• Frontend: React, shadcn/ui with Tailwind v4
• Database: PostgreSQL, OpenSearch
• Storage Layer: MinIO, AWS S3
• Messaging: RabbitMQ
• DevOps: Docker
• Deployment Model: SaaS and on-premise with multi-tenant support

Problem Statement

• The organization was facing significant challenges in managing and scaling its cultural heritage data ecosystem:
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• Fragmented and Inconsistent Data Landscape
• Disparate and heterogeneous data and metadata sources
• Multiple independently developed databases with no unified schema
• Incomplete, inconsistent, and varying-quality metadata
• Lack of standard vocabularies and controlled terms
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• Data Preparation and Integration
• Extensive effort required for data cleaning and normalization
• Complex migration processes alongside ongoing digitization
• Difficulty managing metadata enrichment and external system integrations
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• Access, Discovery, and Dissemination
• Inefficient search and discovery capabilities
• Limited capabilities for web-based content dissemination
• Need for full compliance with national aggregator standards
• Challenges integrating with public portals and partner systems
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• Technical and Infrastructure Constraints
• Rapidly growing data volumes raising scalability concerns
• Performance limitations of legacy, on-premise infrastructure

Solution

• To overcome its fragmented data landscape and infrastructure limitations, the organization adopted Repox as its central data management platform. Repox provided a unified, scalable environment to govern cultural heritage data across multiple systems, formats, and audiences.
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• Unified Data Governance & Modeling
• Flexible, schema-driven metadata engine supporting multilingual and domain-specific elements.
• Customizable vocabularies and controlled terms to ensure consistency and interoperability.
• Consolidation of multiple heterogeneous databases into a single, standardized platform.
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• Seamless Data Preparation & Integration
• Automated workflows for data cleaning, normalization, and enrichment.
• Tools for smooth migration of legacy data while supporting ongoing digitization efforts.
• Connectors for external system integrations, ensuring interoperability across the digital cultural heritage ecosystem.
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• Advanced Access, Discovery & Dissemination
• Full-text, faceted, and metadata-based search for fast discovery across large collections.
• Headless architecture enabling integration with institutional portals, public platforms, and research environments.
• Built-in compliance with international metadata standards (EDM, Dublin Core) and long-term preservation requirements.
• Automated harvesting and publishing to Greek national (EKT) and European (Europeana) aggregators via OAI-PMH.
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• Scalable, Secure Infrastructure
• Cloud-ready architecture supporting exponential data growth and high availability.
• Granular IAM permissions, access-controlled lists, and detailed audit logs for secure operations.
• Configurable workflows for internal curation and external dissemination.
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• Together, these capabilities transformed the institution’s digital infrastructure into a flexible, interoperable, and future-proof ecosystem, enabling both effective internal governance and broader public access.

Outcomes

• Data Unification: Reduced fragmented databases from 4+ independent systems to one centralized Repox instance.
• Metadata Quality: Achieved 40%+ improvement in metadata completeness and consistency through normalization and controlled vocabularies.
• Search Efficiency: Search and discovery time reduced by up to 60% thanks to advanced search.
• Content Coverage: Expanded digital repository to include millions of records across text, images, audio, video, and 3D objects.
• Integration Speed: Cut data migration and enrichment workflows by 30-50% using Repox’s flexible modeling and connectors.
• Scalability: Supported a 10x growth in data volume without performance degradation.
• Compliance: Achieved 100% compliance with national aggregator standards.
• Stronger Governance: Unified governance framework ensured consistent policies, workflows, and permissions across the institution.
• Improved Collaboration: Researchers, curators, and IT staff now work on a single platform, reducing silos and duplication of effort.
• Enhanced Accessibility: Collections are more discoverable by the public, academics, and external partners through improved search and dissemination tools.
• Future-Proof Infrastructure: Cloud-ready and scalable architecture removes on-premise limitations and prepares the organization for long-term digital preservation.
• Cultural Impact: Enabled wider public engagement by making rich collections (including multimedia and 3D models) easily accessible online.
• Decision-Making Support: Advanced queries and reporting provide insights for curatorial planning, digitization priorities, and resource allocation.