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Zheng Chen

2 papers indexed

arxivcs.LG2026-07-15

NeuroGRIP: Retrieval-Augmented Graph Refinement for Knowledge-Grounded EEG Seizure Diagnosis

Lincan Li, Zheng Chen, Yushun Dong

Seizure diagnosis from EEG signals is a critical yet persistently challenging task, due to the complicated neural dynamics and the spurious connections in inter-channel modeling. While spatial-temporal graph neural networks (STGNNs) have advanced EEG brain network representation…

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arxivcs.ITcs.DCcs.LGeess.SP2026-07-14

Mixed-Timescale Differential Coding for Downlink Model Broadcast in Wireless Federated Learning

Chung-Hsuan Hu, Zheng Chen, Erik G. Larsson

In standard federated learning systems, the parameter server broadcasts the global model to the participating devices in every iteration. Motivated by the temporal correlation between consecutive global models, differential coding can be applied to global model dissemination to r…

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