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* Merge Requests
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* AOB
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* Gaia-X Hackathon proposal (deadline 2025-04-18)
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* Input from @langec (I'll join today's call around 13:30, didn't manage to talk to @gristow during Hannover Messe):
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* today, please set up a document (e.g., in this repository) for the proposal. Outline:
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* Hack session name: Upgrading the XFSC Federated Catalogue to the Loire release (Ontology, Credentials, Signatures)
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* Summary:
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* What is the XFSC Catalogue? – The [Federated Catalogue](https://gitlab.eclipse.org/eclipse/xfsc/cat/fc-service) of [XFSC (Eclipse Cross Federation Services Components)](https://projects.eclipse.org/projects/technology.xfsc) is the Gaia-X Federated Catalogue implementation with the most comprehensive support for validating credentials against schemas and querying the graph structure of claims in credentials. It is used, among others, in the [Gaia-X 4 Future Mobility lighthouse project](https://www.gaia-x4futuremobility.de/) and serves as a foundation of [Simpl-Open](https://simpl-programme.ec.europa.eu/), thus will play a key role the upcoming Common European Data Spaces.
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* What is the problem? – The XFSC Catalogue has so far been compatible with the Gaia-X Tagus release. Its developers' community has assessed and understood [what needs to be done to upgrade it to Loire](https://gitlab.eclipse.org/groups/eclipse/xfsc/cat/-/epics/6). Loire changes that impact the XFSC Catalogue include renamed concepts and new standards/formats for credentials and signatures.
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* What needs to be done? – Some of these changes require a deep re-engineering of parts of the Catalogue, including the credential verification pipeline, the database schema and the API endpoints.
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* Knowledge required for the audience to participate (not each participant will have to understand everything, but the participants as a whole should have this knowledge):
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* familiarity with the [Gaia-X Ontology](https://w3id.org/gaia-x/)
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* familiarity with the [Verifiable Credentials Data Model v2.0](https://www.w3.org/TR/vc-data-model-2.0/)
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* Enterprise-style Java software development
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* … (please add further, more precise technical skills)
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* While part of the team will do the main implementation, further support is needed to provide test cases.
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* Name, picture and short resume of the hack leaders
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* Paul? (Please highlight your XFSC and Future Mobility experience)
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* Lucas?
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* Who else will be present? Gerald?
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* Contact information (won't be published)
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* @moosmannp can you serve as the main contact?
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* @langec on holiday on 2025-04-24 and 2025-05-08; @moosmannp will host meeting
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# 2025-03-27
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* !346 to address #253 approved and merged
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* AOB
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* FACIS project introduction in next meeting; see 2025-03-13 agenda above
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* [Simpl](https://simpl-programme.ec.europa.eu/) and its [fork of the Catalogue]
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(https://code.europa.eu/simpl/simpl-open/development/gaia-x-edc/simpl-fc-service/)
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* [Simpl](https://simpl-programme.ec.europa.eu/) and its [fork of the Catalogue](https://code.europa.eu/simpl/simpl-open/development/gaia-x-edc/simpl-fc-service/)
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* @langec learned from Eviden (leading the Simpl implementation contract) that the European Commission is planning to discuss in 2025-Q1 how to contribute back to the underlying projects. The videos of [the 2025-01-30 Simpl annual event](https://simplannualevent.uevent.eu/#tabct-simpl-annual-community-event) address this vaguely, speaking of an "open source governance" ([direct link](https://vimeo.com/1051191140?share=copy#t=29597.978)).
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* core team submitted paper for Extended Semantic Web Conference, ["in-use" track](https://2025.eswc-conferences.org/call-for-papers-in-use-track/). [pre-print of paper-under-review accessible on arXiv](https://arxiv.org/abs/2501.14473) – submission was rejected; the authors' team is discussing where to resubmit
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