Author

Hui Tian

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Book Open access Sep 2026

Coflow Scheduling in Hybrid-Switched Data Center Networks under Not-All-Stop Reconfiguration

This paper presents the first approximation algorithm with an \(\mathcal {O}(\tau _D)\) performance guarantee for single-coflow scheduling in an N × N hybrid-switched DCN under the not-all-stop setting, and extends to the multiple-coflow setting and proposes a heuristic algorithm that converts specific pure-EPS schedul...

Xin Wang, Hong Shen, Hui Tian · Proceedings of the Internati... · 0 citations

Preprint Aug 2026

AEGIS: Attention-Embedding Gradient Isolation Shield - Triple-Channel Gradient Masking for Privacy-Preserving Federated LLM Fine-Tuning

AEGIS (Attention-Embedding Gradient Isolation Shield), a lightweight defence that reduces token recovery rates to near zero against a range of gradient inversion attacks, both analytical and optimisation-based, while preserving or improving model utility.

Ye Tao, Hong Shen, Hui Tian et al. · 0 citations

#machine learning Preprint Sep 2026

Robust Decentralized Federated Distillation via Multi-Modality Knowledge Collaboration

This paper shows that the proposed method ensures a bounded Byzantine influence on both distillation gradients and individual client private gradients after cross-modality fusion, thereby enabling stable local optimization for honest clients under Byzantine distillation.

Xiao Ma, Hong Shen, Hui Tian et al. · 0 citations