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Xiaowei Huang

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#artificial intelligence Preprint Oct 2026

Organising Trajectory Evidence for Language-Model Agent Assurance: Fragments, Methods, and the Residual

Methods for assessing language-model agents include rule checkers over logs, analyses of skill coverage and composition, support checkers, prefix monitors, execution gates, and rare-event estimators. Each observes a different part of a run and makes a claim of a different strength, and no common account says how these...

Xiao-Wei Huang · 0 citations
#artificial intelligence Preprint Sep 2026

Do We Need Complex Topology Control? Distinct-Peer Random Routing Improves Cost-Efficiency in Sparse Multi-Agent Debate

It is found that a simple random-without-replacement routing policy, which lets each agent debate with two distinct and newly sampled peers at every round, provides a surprisingly strong baseline and consistently improves the accuracy-cost trade-off of sparse MAD.

Bo-Xuan Wang, Zhuo-Yun Li, Xiao-Wei Huang et al. · 0 citations

SCOPE: Sequential Conformal Probing for Reliable OOD Rejection in LLM Services

This paper introduces SCOPE (Sequential Conformal OOD Probing and Evaluation), a framework that selects a readable hidden layer, constructs a conformal gate with IND calibration, and uses a supermartingale e-process to certify persistent service-boundary evidence.

Zhuo-Yun Li, Bo-Xuan Wang, Chang Wu et al. · 3 citations

FragileFlow: Spectral Control of Correct-but-Fragile Predictions for Foundation Model Robustness

FragileFlow is introduced, a plug-in regularizer that uses a calibrated margin buffer to identify correct-but-fragile predictions and organize their off-class probability mass into a class-wise vulnerable-risk matrix and provides the first PAC-Bayes upper bound for this margin-aware error-flow object.

Zhuo-Yun Li, Bo-Xuan Wang, Jinwei Hu et al. · 4 citations
Jul 2026

Beyond Semantic Equivalence: Logical Graphs for LLM Uncertainty Quantification

This work proposes Logical Graph Uncertainty (LGU), a framework that explicitly models implication and incompatibility among answers, and ranks first on average among existing uncertainty measures.

Yanni Dong, Minghua Liu, Meilin Zhu et al. · 0 citations

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