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Zhijing Jin

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#machine learning Preprint Sep 2026

RAPTOR: Role-Aware Private Training for Mixture-of-Experts

This work introduces RAPTOR - a Role-Aware Private Training framework, which alternates shared and expert optimization and targets each failure directly, using expert-specific clipping and noise together with a public expected-owner denominator and a count-independent update schedule that avoids conditioning on private...

Duc Dm, Khai Le-Duc, D. Nguyen et al. · 0 citations
#machine learning Preprint Aug 2026

How Do Linear Probes Emerge? A Circuit-Tracing Framework with Concept-Targeted Attribution

Concept-Targeted Attribution (CTA) provides a framework for moving from behavioral probe accuracy to mechanistic explanations of probe performance, enabling more detailed audits of internal concept representations, including safety-critical ones.

V. Palit, Florent Draye, Terry Jingchen Zhang et al. · 0 citations

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