8 papers
Enabling Reuse for Data-Sharing Pipelines in Federated Environments
Sepideh Masoudi, Maria C. Borges, Eduardo Brito +2
Data mesh architectures enable decentralized data sharing through domain-owned data products, but supporting diverse consumers in federated settings often requires customized data-…
Toward Practical Decentralized Proof-of-Location via Physical Witnessing Zones
Tamor Tomson, Eduardo Brito, Amnir Hadachi +1
Digital services increasingly rely on claims that a person, device, or asset was in a specific place at a specific time. Today, those claims often depend on self-reported location…
An Evidence-driven Protocol for Trustworthy CI Pipelines
Fernando Castillo, Eduardo Brito, Pille Pullonen-Raudvere +2
Enterprise software supply chains are increasingly vulnerable to infrastructure attacks, resulting in financial and reputational damage. Ensuring the integrity and provenance of so…
Where Trust Fails: Mapping Location-Data Provenance Risks in Europe
Eduardo Brito, Liina Kamm
European digital sovereignty and security increasingly depend on whether high-impact decisions can be grounded in location evidence that remains credible under adversarial pressure…
Decentralized Proof-of-Location for Content Provenance: Towards Capture-Time Authenticity
Eduardo Brito, Fernando Castillo, Amnir Hadachi +2
Reliable use of real-world data requires confidence that recorded evidence reflects what actually occurred at the moment of capture. In adversarial or incentive-misaligned cyber-ph…
Towards Trusted Service Monitoring: Verifiable Service Level Agreements
Fernando Castillo, Eduardo Brito, Sebastian Werner +2
Service Level Agreement (SLA) monitoring in service-oriented environments suffers from inherent trust conflicts when providers self-report metrics, creating incentives to underrepo…