Guiding questions
Purpose: Ensure that all datasets, services, and offerings are described using common vocabularies, ontologies, and schemas, so that they can be understood and used across Member States and sectors.
Standardised Metadata Models
Which metadata standards (e.g., DCAT-AP, schema.org, sector-specific ontologies) should be adopted as the baseline?
Do we need to extend existing metadata models with Green Deal–specific descriptors (e.g., CO₂ footprint, energy efficiency, circularity indicators)?
How can we ensure interoperability with other European Data Spaces (health, mobility, manufacturing)?
Will connector software manifests (root of trust, OS/app) be published to support supply-chain trust?
Which metadata standards (e.g., DCAT-AP, schema.org, sector-specific ontologies) should be adopted as the baseline?
Do we need to extend existing metadata models with Green Deal–specific descriptors (e.g., CO₂ footprint, energy efficiency, circularity indicators)?
How can we ensure interoperability with other European Data Spaces (health, mobility, manufacturing)?
Will connector software manifests (root of trust, OS/app) be published to support supply-chain trust?
Purpose: Embed usage rights, data-sharing rules, and sustainability-related policies directly into dataset and service descriptions, so that participants can quickly understand the conditions of use.
Policy-Aware Descriptions
What types of data usage policies (e.g., open, restricted, commercial, research-only) should be standardised?
How should sustainability obligations (e.g., alignment with EU taxonomy, compliance with CSRD or energy reporting) be represented in dataset metadata?
Should policy metadata be mandatory for all offerings, or only for those connected to regulated domains (like emissions reporting)?
Purpose: Guarantee that descriptions are not only human-readable, but also machine-actionable to support automation in publication, discovery, and integration.
Machine-Readability and FAIR Compliance
Which formats and APIs should be enforced for machine-readable descriptions?
How can FAIR principles be operationalised across sectors?
Should minimal mandatory metadata fields be defined?
Will policy/usage terms be machine-readable and linked to identity/trust artifacts?
Will JSON-LD be used to express metadata/context, and will SHACL validation rules be provided?
Purpose: Allow extensions of the base metadata model with domain-specific fields that address the unique needs of Green Deal–aligned use cases.
Sector-Specific Extensions:
Which sustainability-related attributes should be mandatory in sector-specific extensions (e.g., building lifecycle data in construction, CO₂ intensity in energy)?
How do we balance general interoperability with the need for highly specialised descriptors?
Should governance rules for approving new sector-specific extensions be established, and by whom?
Purpose: Ensure that all participants have a transparent overview of what is available in the ecosystem, enabling efficient resource matching and value creation.
Ecosystem Visibility and Transparency
How can a unified catalogue or registry be maintained and updated?
What mechanisms (e.g., dashboards, registries, APIs) are needed to maintain transparency for participants?
Should there be obligations for providers to regularly update or validate their dataset/service descriptions to prevent outdated information?
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