collaborators

7 papers

cs.AI2025

Boosting LLM Reasoning via Spontaneous Self-Correction

Xutong Zhao, Tengyu Xu, Xuewei Wang +11

While large language models (LLMs) have demonstrated remarkable success on a broad range of tasks, math reasoning remains a challenging one. One of the approaches for improving mat…

cs.CL2025

Improving Model Factuality with Fine-grained Critique-based Evaluator

Yiqing Xie, Wenxuan Zhou, Pradyot Prakash +9

Factuality evaluation aims to detect factual errors produced by language models (LMs) and hence guide the development of more factual models. Towards this goal, we train a factuali…

cs.LG2025

Beyond Reward Hacking: Causal Rewards for Large Language Model Alignment

Chaoqi Wang, Zhuokai Zhao, Yibo Jiang +8

Recent advances in large language models (LLMs) have demonstrated significant progress in performing complex tasks. While Reinforcement Learning from Human Feedback (RLHF) has been…

cs.AI2025

Reinforcement Learning from User Feedback

Eric Han, Jun Chen, Karthik Abinav Sankararaman +8

As large language models (LLMs) are increasingly deployed in diverse user facing applications, aligning them with real user preferences becomes essential. Existing methods like Rei…

cs.CL2025

Learning Auxiliary Tasks Improves Reference-Free Hallucination Detection in Open-Domain Long-Form Generation

Chengwei Qin, Wenxuan Zhou, Karthik Abinav Sankararaman +10

Hallucination, the generation of factually incorrect information, remains a significant challenge for large language models (LLMs), especially in open-domain long-form generation.…

cs.AI2025

Think Smarter not Harder: Adaptive Reasoning with Inference Aware Optimization

Zishun Yu, Tengyu Xu, Di Jin +9

Solving mathematics problems has been an intriguing capability of large language models, and many efforts have been made to improve reasoning by extending reasoning length, such as…