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Chi Gui

4 accepted papers

2026

Understanding Reasoning Collapse in LLM Agent Reinforcement Learning

ICML 2026oral

In closed-loop multi-turn agent reinforcement learning, LLM agents exhibit reasoning collapse, where reasoning shift toward generic templates, weakly coupled to the inputs. We firstly identify that such collapse is easy to miss with entropy or surface diversity metrics since reasoning text still var…

Cited by 0SourceScholar
2025

CoD, Towards an Interpretable Medical Agent using Chain of Diagnosis

ACL 2025finding

The field of AI healthcare has undergone a significant transformation with the advent of large language models (LLMs), yet the challenges of interpretability within these models remain largely unaddressed. This study introduces **Chain-of-Diagnosis (CoD)** to enhance the interpretability of medical…

2025

MIRAGE: A Benchmark for Multimodal Information-Seeking and Reasoning in Agricultural Expert-Guided Conversations

NeurIPS 2025poster

We introduce MIRAGE, a new benchmark for multimodal expert-level reasoning and decision-making in consultative interaction settings. Designed for the domain of agriculture, MIRAGE captures the full complexity of expert consultations by combining natural user queries, expert-authored responses, and i…

Cited by 0SourcecodeScholar
2024

Towards Injecting Medical Visual Knowledge into Multimodal LLMs at Scale

EMNLP 2024main

The rapid development of multimodal large language models (MLLMs), such as GPT-4V, has led to significant advancements. However, these models still face challenges in medical multimodal capabilities due to limitations in the quantity and quality of medical vision-text data, stemming from data privac…