الباحثون

Guangsheng Yu

المنشورات 5

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SoK: Semantic Decision Engines in Network Control Loops

Delong Li, Chen Li, Xu Wang وآخرون · 2026

A semantic decision engine such as Jev can return a valid answer and still miss a network deadline, select an infeasible action or leave the service unverified. We systematize 139 paper families by decision interface, execution path and check ownership. Fifty families claim that their engine fits a control loop or time …

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Diversity Combining for Multi-Path LLM Reasoning

Guangsheng Yu, Litianyi Zhang, Qin Wang وآخرون · 2026

Multi-path reasoning methods such as self-consistency (SC) sample $K$ reasoning paths and choose the most frequent answer. However, their gains quickly plateau as $K$ increases, and existing methods do not predict when this saturation will occur. We formalize multi-path LLM reasoning as a diversity combining problem fr …

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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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