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20242026
most citedCHOPS: CHat with custOmer Profile Systems for Customer Service with LLMs

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cs.LG2025

PRISM-Physics: Causal DAG-Based Process Evaluation for Physics Reasoning

Wanjia Zhao, Qinwei Ma, Jingzhe Shi +7

Benchmarks for competition-style reasoning have advanced evaluation in mathematics and programming, yet physics remains comparatively explored. Most existing physics benchmarks eva…

cs.AI2025

ERA: Transforming VLMs into Embodied Agents via Embodied Prior Learning and Online Reinforcement Learning

Hanyang Chen, Mark Zhao, Rui Yang +15

Recent advances in embodied AI highlight the potential of vision language models (VLMs) as agents capable of perception, reasoning, and interaction in complex environments. However…

cs.LG2025

Explore-Execute Chain: Towards an Efficient Structured Reasoning Paradigm

Kaisen Yang, Tinghe Zhang, Rushi Shah +4

Many LLMs plan before they act, yet planning and execution are often still entangled in one long generation trace, enforced only through prompts, or split across separate component…

cs.LG2025

Gradient Imbalance in Direct Preference Optimization

Qinwei Ma, Jingzhe Shi, Can Jin +3

Direct Preference Optimization (DPO) has been proposed as a promising alternative to Proximal Policy Optimization (PPO) based Reinforcement Learning with Human Feedback (RLHF). How…

cs.LG2025

Intrinsic Entropy of Context Length Scaling in LLMs

Jingzhe Shi, Qinwei Ma, Hongyi Liu +3

Long Context Language Models have drawn great attention in the past few years. There has been work discussing the impact of long context on Language Model performance: some find th…