7 papers
Improving the Security of Containerized Workloads using Transparency and Traceability Services
Nikos Fotiou, Lefteris Georgiadis, Ignacio Lacalle +2
Containerized workloads are commonly built via CI/CD pipelines, stored in registries, and executed across heterogeneous infrastructures, including cloud and edge environments. A si…
Greening AI Inference with Accuracy and Latency-aware User Incentives
Vasilios A. Siris, Adamantia Stamou, George D. Stamoulis +2
The widespread use of AI services has raised concerns for its environmental sustainability, towards which recent studies have identified carbon emissions of AI inference as the maj…
Incentivising green video streaming through a 2-tier subscription model with carbon-aware rewards
Vasilios A. Siris, Adamantia Stamou, George D. Stamoulis +1
We investigate incentives for reducing the carbon emissions of video streaming that depend on the energy consumption of segments in the end-to-end video delivery path, the carbon i…
Quantum Secure Biometric Authentication in Decentralised Systems
Tooba Qasim, Vasilios A. Siris, Izak Oosthuizen +2
Biometric authentication has become integral to digital identity systems, particularly in smart cities where it en-ables secure access to services across governance, trans-portatio…
Identity and Access Management for the Computing Continuum
Chalima Dimitra Nassar Kyriakidou, Athanasia Maria Papathanasiou, Vasilios A. Siris +4
The computing continuum introduces new challenges for access control due to its dynamic, distributed, and heterogeneous nature. In this paper, we propose a Zero-Trust (ZT) access c…
did:self A registry-less DID method
Nikos Fotiou, George C. Polyzos, Vasilios A. Siris
We introduce did:self, a Decentralized Identifier (DID) method that does not depend on any trusted registry for storing the corresponding DID documents. Information for authenticat…