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RDM3: Research Data in Mathematics Location: G309 Session Chair: Moritz Schubotz Session Chair: Olaf Teschke | |
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From FAIR data to FAIR Digital Objects: insights from MaRDI4NFDI Zuse Institute Berlin, Germany The Mathematical Research Data Initiative (MaRDI4NFDI) is part of Germany's National Research Data Infrastructure and operates a knowledge graph for the mathematics domain built on MediaWiki/Wikibase, covering publications, datasets, algorithms, software, and research workflows. This linked-data architecture provides strong FAIR alignment out of the box: persistent identifiers, structured metadata, open SPARQL access, and RDF-native interoperability. Yet FAIR data is not the same as a FAIR Digital Object. FDOs add a machine-actionable operations layer: typed objects with well-defined, protocol-level access - enabling automated discovery and processing without domain-specific knowledge of the underlying system. We present our work on exposing MaRDI4NFDI knowledge graph entities as FDOs using the Digital Object Interface Protocol (DOIP) as an external gateway layer. This embeds FAIRification into the infrastructure layer, reducing the need for repeated per-dataset annotation, and demonstrates how domain-specific research infrastructures can contribute machine-actionable objects to federated ecosystems. We share design decisions, open challenges in FDO profile definition for mathematical objects, and lessons relevant to other knowledge graph infrastructures built on MediaWiki/Wikibase. | |
