Author

Y. Ao

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#natural language process... Apr 2026

Revisiting Greedy Decoding for Visual Question Answering: A Calibration Perspective

This work provides a theoretical formalization of the relationship between model calibration and predictive accuracy, and derives the sufficient conditions for greedy decoding optimality, and proposes Greedy Decoding for Reasoning Models, which outperforms both stochastic sampling and standard greedy decoding in multimodal reasoning scenarios.

Bo-Qi Chen, Xudong Liu, Yunke Ao et al. · arXiv.org · 0 citations

#natural language process... Preprint Aug 2026

GPAgentBench-2K: Benchmarking Large Language Model Agents in Complex Clinical Action Space

GPAgentBench-2K is introduced, the first Constrained MDP (CMDP) LLM-agent benchmark for primary-care clinical decision-making, constructed from expert-validated records of real-world GP encounters, and uncovers a clinical quality-safety gap.

Bo-Qi Chen, Xudong Liu, Y. Ao et al. · 0 citations