Author

Yimin Chen

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Conference Open access Sep 2026

Snail: Scheduler-Driven Backdoor Injection in Split Federated Learning via Gradual Perturbation

Split Federated Learning (SFL) reduces client-side computation by partitioning neural networks between clients and a server, but its cut-layer interaction also creates a new surface for backdoor injection. Existing attacks often rely on persistent poisoning or privileged server-side knowledge, limiting their practicali...

Zheng-Yuan Jiang, S. Balaji, Yi-Min Chen et al. · IEEE Conference on Communica... · 0 citations

#artificial intelligence Preprint Sep 2026

RAG-CT: Mitigating Privacy Risks on Retrieval-Augmented Generation Systems via Scanning Prompt Distribution

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for improving the quality of generated contents of Large Language Models (LLMs) by grounding responses in external knowledge, thus reducing hallucinations and factual errors. However, recent studies have highlighted a critical vulnerability: advers...

Xingyu Lyu, Jia-Yi Wang, Jian-Feng He et al. · 0 citations

Jul 2026

One Modality to Forget Them All: Enhancing Cross-Modal Unlearning in Vision-Language Models

This work presents the first systematic, bidirectional study of cross-modal unlearning transfer across three VLM architectures: LLaVA-1.5 (MLP projection), InstructBLIP (Q-Former), and IDEFICS (gated cross-attention), finding that unlearning transfers across modalities, but the transfer is asymmetric and incomplete.

S. Balaji, Yili Ren, Guangjing Wang et al. · arXiv.org · 0 citations