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Abele Malan

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#artificial intelligence Preprint Sep 2026

Safety Reconstructed: Generative Modeling via Masked Diffusion Builds Strong Safety Guardrails

Guard models are the last line of defense between a language model and a harmful output, yet their training objective is surprisingly narrow. Existing guards learn to predict a single verdict token from a conversational context, concentrating supervision on a single target. The consequences are structural: models latch...

Gert Lek, Abele Malan, Chao-Yi Zhu et al. · 0 citations
#diffusion models Open access Oct 2026

Measuring Legislature-Aligned Privacy Risks in Synthetic Graphs

SyntheGrAnon is introduced, a framework for evaluating synthetic graph anonymity that primarily targets the singling out, linkability, and inference risks outlined in the EU GDPR at the node and community levels, while also including edge-level attacks as an extension of the node-level setting.

Abele Malan, Ahmad Al Kurdi, Stefanie Roos et al. · 0 citations

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