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Zihan Tan

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#machine learning Preprint Nov 2026

One-Shot Federated Graph Learning via High-Fidelity Proxies and Transferability-Guided Collaboration

FedHFT is proposed, an effective One-Shot Personalized Federated Graph Learning (OPFGL) framework that addresses this bottleneck from two perspectives, namely High-Fidelity Knowledge Externalization and Transferability-Ware Knowledge Integration.

Jia-Hao Jiang, Zi-Han Tan, Wen-Ke Huang et al. · 0 citations
Book Open access Aug 2026

FedFST: Mitigating Spectral Catastrophic Forgetting in Federated Graph Continual Learning

FedFST is a spectral-aware framework that mitigates dual spectral forgetting in Federated Graph Continual Learning, and comprises Historical High-Frequency Knowledge Restoration to reconstruct and preserve high-frequency inconsistency knowledge, and Historical Low-Frequency Semantic Transfer to stabilize low-frequency...

Hanyao Guo, Zihan Tan, Wen-Ke Huang et al. · 0 citations
Book Open access Aug 2026

FedFST: Mitigating Spectral Catastrophic Forgetting in Federated Graph Continual Learning

Federated Graph Learning (FGL) enables privacy-preserving GNN training over distributed graph data, yet dynamic task streams in Federated Graph Continual Learning (FGCL) inevitably lead to catastrophic forgetting. From a spectral perspective, this forgetting manifests as two fundamental challenges: high-frequency incon...

Hanyao Guo, Zihan Tan, Wenke Huang et al. · 0 citations

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