Author

Aochuan Chen

The Hong Kong University of Science and Technology (Guangzhou)

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Book Open access Aug 2026

Label Annotation for Tabular Anomaly Detection with Large Language Models

Tabular Anomaly Detection (TAD) plays a fundamental role in securing real-world applications. Despite rapid advances in TAD, the prohibitive cost of human-centric label annotation remains a primary bottleneck for large-scale production systems. To alleviate this bottleneck, we propose a novel ''coarse-to-fine'' label a...

Haihong Zhao, Aochuan Chen, Miao Peng et al. · Proceedings of the 32nd ACM... · 0 citations

Preprint Aug 2026

$R^3$-Bench: LLMs Struggle with Resource-Rational Reasoning under Shared Budgets

$R^3$-Bench is introduced, which evaluates six-problem suites under shared budgets across mathematics, competitive programming, and abstract reasoning in tool-free and agentic settings, and exposes a persistent gap between demonstrated competence and shared-budget realization.

Peisong Wang, Zhiwei Ma, Bo-Wen Liu et al. · 0 citations