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Xun Wu

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#machine learning Preprint Oct 2026

No-Free-Graph: Learning When Multimodal Data Should Be Graphified

Multimodal graph learning has recently emerged as an effective paradigm for in corporating inter-entity relationships into multimodal representations. Existing studies have made substantial progress on how to construct and optimize graphs, but rarely consider a more fundamental question: whether additional relational s...

Ze-Kai Chen, Kai Hu, Yu-Xin Zeng et al. · 0 citations
#machine learning Preprint Sep 2026

MOVE: Multimodal Open-world Verification and Expansion for Graph Learning

Multimodal graph learning faces a fundamental challenge: new classes may emerge after deployment, while models are trained with a fixed label space. Existing approaches typically detect unknown nodes and use LLMs to generate candidate class descriptions, but they do not determine whether existing classes are insufficie...

Ze-Kai Chen, Jia-Yang Xing, Xun Wu et al. · 0 citations
Jul 2026

FedOGL: Combating Catastrophic Forgetting in Federated Open-World Multimodal Graph Learning

FedOGL preserves historical decision behavior through replay and task-start distillation, while protecting graph-propagation memory via projection onto a globally shared structure basis via projection onto a globally shared structure basis.

Ze-Kai Chen, Haodong Lu, Shi-Hao Li et al. · 0 citations
Preprint Jul 2026

MMFGU: Multimodal Federated Graph Unlearning

A multimodal federated graph unlearning framework built around target-specific representation decoupling that effectively removes requested information, preserves retained graph utility, and achieves a speedup over full retraining.

Haodong Lu, Zekai Chen, Weiwei Ji et al. · 0 citations

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