article · Zenodo (CERN European Organization for Nuclear Research) · 2026

From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem

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Abstract

The Federated Knowledge Graph Ecosystem enables interoperable, distributed access to research knowledge by connecting RDF triplestores, community-curated knowledge bases, and shared semantic standards. However, many research outputs of high practical relevance—such as software, analytical workflows, images, or 3D data—remain difficult to integrate into such ecosystems, as they are typically distributed as binary artefacts outside the RDF world. FAIR Digital Objects (FDOs) address this gap by encapsulating digital artefacts together with metadata and identifiers in a machine-actionable form, but concrete, executable reference implementations remain scarce. This paper presents a minimal, standards-based method and software reference implementation that operationalises core FDO concepts using lightweight metadata packaging and semantic crosswalks. Starting from a self-contained ZIP archive containing binary content together with CITATION.cff and MD.cff metadata, the approach generates an RDF representation that exposes object structure, file-level distributions, and provenance information. The resulting RDF output can be ingested into triplestores and queried via SPARQL, enabling binary research artefacts to participate as first-class entities in Federated Knowledge Graph Ecosystems. The implementation is intentionally scoped as a pragmatic entry point, demonstrating how FAIR Digital Objects can be made actionable using existing standards and tooling.

Cite this paper

APA 7

Thiery, F. (2026). From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem. Zenodo (CERN European Organization for Nuclear Research). https://doi.org/10.5281/zenodo.18441773

MLA 9

Thiery, Florian. “From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem.” Zenodo (CERN European Organization for Nuclear Research), 2026, https://doi.org/10.5281/zenodo.18441773.

Chicago

Thiery, Florian. 2026. “From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem.” Zenodo (CERN European Organization for Nuclear Research). https://doi.org/10.5281/zenodo.18441773.

Harvard

Thiery, F. (2026) ‘From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem’, Zenodo (CERN European Organization for Nuclear Research). Available at: https://doi.org/10.5281/zenodo.18441773.

BibTeX

@article{thiery2026packaged,
  title = {{From Packaged Research Artefacts to RDF: A Reference Implementation for FAIR Digital Objects into the Federated Knowledge Graph Ecosystem}},
  author = {Thiery, Florian},
  journal = {Zenodo (CERN European Organization for Nuclear Research)},
  year = {2026},
  doi = {10.5281/zenodo.18441773}
}

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