3 papers
cs.MA2026
CHILL-Harness: Counterfactual Harness Learning for Efficient Reasoning in Long-Horizon Agents
Jiarun Fu, Lizhong Ding, Sida Chen +6
Agent harnesses have become the operational infrastructure of modern large language model agents, coordinating context, tools, verification, and execution control to translate late…
cs.LG2025
Unveiling and Causalizing CoT: A Causal Pespective
Jiarun Fu, Lizhong Ding, Hao Li +3
Although Chain-of-Thought (CoT) has achieved remarkable success in enhancing the reasoning ability of large language models (LLMs), the mechanism of CoT remains a ``black box''. Ev…
cs.LG2025
Testing for Causal Fairness
Jiarun Fu, LiZhong Ding, Pengqi Li +3
Causality is widely used in fairness analysis to prevent discrimination on sensitive attributes, such as genders in career recruitment and races in crime prediction. However, the c…