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Ji-Guo Yu

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#machine learning Preprint Sep 2026

Robust Dynamic Expansion for Continual Learning under Backdoor Attacks via Purification and Selective Recovery

A robust dynamic-expansion framework that integrates sample purification, selective recovery, and robust expert routing into a unified continual learning paradigm is proposed, and Bi-Prototype Purification (BPP) is introduced to identify suspicious samples by exploiting semantic discrepancies in feature space.

Ke-Yu Lin, Fei Ye, Qi-He Liu et al. · 0 citations
Preprint Aug 2026

FL-OA: A Byzantine-Robust Federated Learning Framework with Outsourced Auditing for Intelligent Devices

In FL-OA, the server collaborates with third-party organization that holds an additional root dataset to perform outsourced auditing, thereby enabling the server to achieve robust aggregation without strong assumptions, demonstrating that FL-OA outperforms existing defense methods against Byzantine attacks.

Hongliang Zhang, Zhongyuan Yu, Fenghua Xu et al. · 0 citations

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