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Author

Edith C. H. Ngai

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Preprint Aug 2026

When Is Shallow Enough? Adaptive Split Federated Learning with Client-Specific Sufficiency Estimation

A client-specific adaptation channel based on private prompt tokens, which tracks local adaptation dynamics separately from the shared backbone and provides a lightweight signal for detecting whether client adaptation remains active, and a shallow sufficiency estimator that combines cross-client semantic alignment, temporal interface stability, and prompt-state variation to estimate whether the shallowest split is already sufficient.

Wenhao Yuan, Chenchen Lin, Wentao Hu et al. · 0 citations
Aug 2026

From Cloud to Crowd: Democratizing LLM Service With Decentralized Edge Collaboration for RAG

Results show that DEFRAG narrows the SLM-LLM accuracy gap, while reducing cost by up to 98.4% and increasing peak throughput by up to 97.8% over centralized services, demonstrating the potential of DEFRAG for democratized LLM services at the edge.

Jiaxing Li, Hengzhi Wang, Feng Wang et al. · 0 citations