Authors

Dan Wang

Publications 2

Preprint Open access

RoboFL: Federated Expert Assembly for World Action Models

Rongyu Zhang, Ruizhi Fan, Yunfan Lou et al. · 2026

Vision-language-action and world-action models are increasingly popular, yet remain bottlenecked by physical interaction data that is scarce, institutionally siloed, and task-heterogeneous. A natural federated solution is to let each client adapt a shared foundation model through parameter-efficient fine-tuning, avoidi …

Preprint Open access

FedCoT-VQA: A Federated Learning and Unlearning Framework for Chain-of-Thought Planners in VideoQA

Rui Lu, Tao Ling, Dan Wang et al. · 2026

Chain-of-Thought (CoT) planners have emerged as an effective design for VideoQA, where a lightweight planner first generates intermediate reasoning steps to guide temporal evidence selection before answer prediction. This modularity makes CoT-based VideoQA attractive for federated learning, since only the planner side …

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