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Qingyu Ren

3 accepted papers

2025

Beyond Correctness: Confidence-Aware Reward Modeling for Enhancing Large Language Model Reasoning

EMNLP 2025

Recent advancements in large language models (LLMs) have shifted the post-training paradigm from traditional instruction tuning and human preference alignment toward reinforcement learning (RL) focused on reasoning capabilities. However, most current methods rely on rule-based evaluations of answer

2025

Order Matters: Investigate the Position Bias in Multi-constraint Instruction Following

ACL 2025finding

Real-world instructions with multiple constraints pose a significant challenge to existing large language models (LLMs). An observation is that the LLMs exhibit dramatic performance fluctuation when disturbing the order of the incorporated constraints. Yet, none of the existing works has systematica…

2025

Step-by-Step Mastery: Enhancing Soft Constraint Following Ability of Large Language Models

ACL 2025finding

It is crucial for large language models (LLMs) to follow instructions that involve multiple constraints. In real-world scenarios, user instructions often contain soft constraints, which are semantically related and cannot be rule-based verified, posing challenges for LLMs. To enhance the soft constr…

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