الباحثون

Wei Ni

المنشورات 4

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Adaptive Power Sampling for LLM Reasoning

Bingnan Xiao, Chenhao Yang, Bingcong Li وآخرون · 2026

Sequence-level power sampling has recently emerged as a training-free approach to reasoning by sampling from a sharpened output distribution of a base large language model (LLM). Nevertheless, existing methods typically sharpen the base model distribution uniformly across queries, overlooking variations in query diffic …

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Redundancy Meets Synergy: Dependency-aware Expert Selection for MoE via Submodular Optimization

Zheng Lin, Shaoke Fang, Yuxin Zhang وآخرون · 2026

While Mixture-of-Experts (MoE) models effectively scale model capacity through sparse activation, their deployment is often bottlenecked by prohibitive memory requirements. Extracting a compact subset of experts presents a promising solution. However, existing expert selection heuristics predominantly rely on Top-k ran …

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MDRC: A Deployable State-Recovery Defense for Traffic Signal Control under Sensor Corruption

Mingyuan Li, Chunyu Liu, Xiao Liu وآخرون · 2026

Traffic Signal Control (TSC) is a safety-critical cyber-physical system that relies on real-time sensing. Corrupted observations caused by adversarial perturbations or sensor failures can propagate from the sensing layer into the controller and degrade traffic efficiency. Existing robust Reinforcement Learning (RL)-bas …

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Your Model Is Leaking: Covert Information Transfer through LLM Residual Streams

Mingyuan Li, Yanna Jiang, Guangsheng Yu وآخرون · 2026

Privacy-sensitive organizations may run large language models (LLMs) in restricted or air-gapped environments while exporting selected diagnostic artifacts. We show that a compromised runtime component can hide sensitive information in intermediate activations that are allowed to leave the restricted environment. An of …

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