Author

Zhi-Shu Shen

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#federated learning Nov 2026

Subspace-Guided Unlearning and Recovery: Poisoning Defense for Hierarchical Federated Learning in LEO Satellite Networks

Low Earth Orbit (LEO) satellite networks are increasingly adopting Federated Learning (FL) for privacy-preserving collaborative model training. However, this paradigm remains vulnerable to backdoor attacks where compromised satellites inject hidden triggers into their local model updates. Existing defenses are not suit...

Kang-Cheng Yang, Zhi-Shu Shen, Cheng Tan et al. · IEEE Transactions on Mobile... · 0 citations

#machine learning Preprint Aug 2026

Discovering and Preserving Category Correlation Knowledge via Adaptive Reciprocal Knowledge Distillation

Knowledge distillation aims to improve the performance of lightweight student models by transferring knowledge from larger and more powerful teacher models. However, a substantial size gap between teacher and student models often impedes effective knowledge transfer. Most existing approaches adopt a static, one-way tea...

Da-Wen Jiang, Zhi-Shu Shen, Ze-Yu Liu et al. · 0 citations

Preprint Aug 2026

Counterfactual Benchmarking and Training for Factuality Consistency and Order-Robust Grounded Reasoning in LLMs over Heterogeneous Knowledge

TKFQA, a factuality consistency benchmark comprising 10,130 question-answering (QA) pairs grounded in tables, texts, and knowledge graphs, is introduced and ORLF, an LLM-agnostic training framework that models cross-context topological relations through knowledge-specific latent vectors is proposed.

Shibo Chu, Yu-Ze Liu, Tie-Hua Zhang et al. · 0 citations