Author

G. Loukas

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Preprint Aug 2026

Dorsal Hand Images for Immersive (XR) and Privacy-preserving Age Assurance and Child Safety

Ensuring that Extended Reality (XR) environments are age-appropriate is an important regulatory and safety challenge. However, current age assurance operates only at registration and cannot verify the age of the active user during a session. Face-based approaches, the dominant solution in social media and adult platfor...

Riccardo Bovo, G. Loukas, Josh P. Davis · 0 citations

Review Aug 2026

LAAF: A Layered Accountability Architecture Framework for LLM Applications

Large Language Models (LLMs) operate in hospitals, courtrooms, banks, and public service desks, where fluent, confident outputs are treated as authoritative even when ungrounded or incorrect. When such an output contributes to harm, who is answerable, and through what mechanisms can responsibility be traced, explained,...

Prachi Chaturvedi, Shahnawaz Ahmad, Ehsan Nowroozi et al. · 0 citations