XFSC: A Catalogue of Trustable Semantic Metadata for Data Services and Providers
Benedikt T. Arnold, Khalil Baydoun, Diego Collarana, Sebastian Duda,, Christina Gillmann, Ahmad Hemid, Philipp Hertweck, Paul Moosmann, Denis, Sukhoroslov, Christoph Lange

TL;DR
This paper introduces the XFSC Catalogue, a trustable metadata management system for data services that ensures cryptographic integrity, semantic conformance, and scalable discovery within federated dataspace architectures.
Contribution
It presents a novel implementation of a trustable metadata catalogue with lifecycle management, cryptographic validation, and semantic schema conformance, applicable to federated cloud services.
Findings
Scalable to large metadata records
Ensures cryptographic integrity of VPs
Integrates with existing data connectors
Abstract
In dataspaces, federation services facilitate key functions such as enabling participating organizations to establish mutual trust and assisting them in discovering data and services available for consumption. Discovery is enabled by a catalogue, where participants publish metadata describing themselves and their data and service offerings as Verifiable Presentations (VPs), such that other participants may query them. This paper presents the Eclipse Cross Federation Services Components (XFSC) Catalogue, which originated as a catalogue reference implementation for the Gaia-X federated cloud service architecture but is also generally applicable to metadata required to be trustable. This implementation provides basic lifecycle management for DCAT-style metadata records and schemas. It validates submitted VPs for their cryptographic integrity and trustability, and for their conformance to…
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Taxonomy
TopicsSemantic Web and Ontologies · Research Data Management Practices · Data Quality and Management
