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20242026
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9 papers · 1 filter

cs.CV2025

TextlessRAG: End-to-End Visual Document RAG by Speech Without Text

Peijin Xie, Shun Qian, Bingquan Liu +3

Document images encapsulate a wealth of knowledge, while the portability of spoken queries enables broader and flexible application scenarios. Yet, no prior work has explored knowl…

cs.CL2025

Router Upcycling: Leveraging Mixture-of-Routers in Mixture-of-Experts Upcycling

Junfeng Ran, Guangxiang Zhao, Yuhan Wu +7

The Mixture-of-Experts (MoE) models have gained significant attention in deep learning due to their dynamic resource allocation and superior performance across diverse tasks. Howev…

cs.AI2025

Uncertainty Under the Curve: A Sequence-Level Entropy Area Metric for Reasoning LLM

Yongfu Zhu, Lin Sun, Guangxiang Zhao +2

In this work, we introduce Entropy Area Score (EAS), a simple yet effective metric to quantify uncertainty in the answer generation process of reasoning large language models (LLMs…

cs.CL2025

Efficient Switchable Safety Control in LLMs via Magic-Token-Guided Co-Training

Jianfeng Si, Lin Sun, Zhewen Tan +1

Current methods for content safety in Large Language Models (LLMs), such as Supervised Fine-Tuning (SFT) and Reinforcement Learning from Human Feedback (RLHF), often rely on multi-…

cs.AI2025

Evaluation is All You Need: Strategic Overclaiming of LLM Reasoning Capabilities Through Evaluation Design

Lin Sun, Weihong Lin, Jinzhu Wu +8

Reasoning models represented by the Deepseek-R1-Distill series have been widely adopted by the open-source community due to their strong performance in mathematics, science, progra…

cs.CL2025

TinyR1-32B-Preview: Boosting Accuracy with Branch-Merge Distillation

Lin Sun, Guangxiang Zhao, Xiaoqi Jian +18

The challenge of reducing the size of Large Language Models (LLMs) while maintaining their performance has gained significant attention. However, existing methods, such as model di…

cs.CL2025

Chain-of-Thought Matters: Improving Long-Context Language Models with Reasoning Path Supervision

Dawei Zhu, Xiyu Wei, Guangxiang Zhao +7

Recent advances in Large Language Models (LLMs) have highlighted the challenge of handling long-context tasks, where models need to reason over extensive input contexts to aggregat…

cs.CL2025

LongAttn: Selecting Long-context Training Data via Token-level Attention

Longyun Wu, Dawei Zhu, Guangxiang Zhao +5

With the development of large language models (LLMs), there has been an increasing need for significant advancements in handling long contexts. To enhance long-context capabilities…

cs.CL2025

Large Language Models Badly Generalize across Option Length, Problem Types, and Irrelevant Noun Replacements

Guangxiang Zhao, Saier Hu, Xiaoqi Jian +5

In this paper, we propose a ``Generalization Stress Test" to assess Large Language Models' (LLMs) generalization ability under slight and controlled perturbations, including option…