STAIR Research Group | Scalable & Trustworthy AI Research
STAIR Research Group | Scalable & Trustworthy AI Research
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Focusing by Contrastive Attention: Enhancing VLMs' Visual Reasoning
Vision-Language Models (VLMs) have demonstrated remarkable success across diverse visual tasks, yet their performance degrades in …
Yuyao Ge
,
Shenghua Liu
,
Yiwei Wang
,
Lingrui Mei
,
Baolong Bi
,
Xuanshan Zhou
,
Jiayu Yao
,
Jiafeng Guo
,
Xueqi Cheng
PDF
Cite
arXiv
Website
HighlightBench: Benchmarking Markup-Driven Table Reasoning in Scientific Documents
Visual markups such as highlights, underlines, and bold text are common in table-centric documents. Although multimodal large language …
Lexin Wang
,
Shenghua Liu
,
Yiwei Wang
,
Yujun Cai
,
Yuyao Ge
,
Jiayu Yao
,
Jiafeng Guo
,
Xueqi Cheng
PDF
Cite
arXiv
Website
a1: Steep Test-time Scaling Law via Environment Augmented Generation
Lingrui Mei
,
Shenghua Liu
,
Yiwei Wang
,
Baolong Bi
,
Yuyao Ge
,
Jun Wan
,
Yurong Wu
,
Xueqi Cheng
PDF
Cite
DOI
ACL Anthology
arXiv
AuTAgent: A Reinforcement Learning Framework for Tool-Augmented Audio Reasoning
Large Audio Language Models (LALMs) excel at perception but struggle with complex reasoning requiring precise acoustic measurements. …
Siqian Tong
,
Xuan Li
,
Yiwei Wang
,
Baolong Bi
,
Yujun Cai
,
Shenghua Liu
,
Yuchen He
,
Chengpeng Hao
PDF
Cite
arXiv
Website
Beyond Black-Box Interventions: Latent Probing for Faithful Retrieval-Augmented Generation
Retrieval-Augmented Generation (RAG) systems often fail to maintain contextual faithfulness, generating responses that conflict with …
Linfeng Gao
,
Qinggang Zhang
,
Baolong Bi
,
Bo Zeng
,
Zheng Yuan
,
Zerui Chen
,
Zhimin Wei
,
Shenghua Liu
,
Linlong Xu
,
Longyue Wang
,
Weihua Luo
,
Jinsong Su
PDF
Cite
Code
DOI
ACL Anthology
arXiv
Code
Gated Differentiable Working Memory for Long-Context Language Modeling
Long contexts break transformers: attention scores dilute across thousands of tokens, critical information gets lost in the middle, and …
Lingrui Mei
,
Shenghua Liu
,
Yiwei Wang
,
Yuyao Ge
,
Baolong Bi
,
Jiayu Yao
,
Jun Wan
,
Ziling Yin
,
Jiafeng Guo
,
Xueqi Cheng
PDF
Cite
DOI
ACL Anthology
arXiv
HiddenGuard: Fine-Grained Safe Generation with Specialized Representation Router
Lingrui Mei
,
Shenghua Liu
,
Yiwei Wang
,
Baolong Bi
,
Ruibin Yuan
,
Xueqi Cheng
PDF
Cite
DOI
ACL Anthology
arXiv
Reward and Guidance through Rubrics: Promoting Exploration to Improve Multi-Domain Reasoning
Recent advances in reinforcement learning (RL) have significantly improved the complex reasoning capabilities of large language models …
Baolong Bi
,
Shenghua Liu
,
Yiwei Wang
,
Siqian Tong
,
Lingrui Mei
,
Yuyao Ge
,
Yilong Xu
,
Jiafeng Guo
,
Xueqi Cheng
PDF
Cite
ICML 2026
arXiv
Can Graph Descriptive Order Affect Solving Graph Problems with LLMs?
Large language models (LLMs) have achieved significant success in reasoning tasks, including mathematical reasoning and logical …
Yuyao Ge
,
Shenghua Liu
,
Baolong Bi
,
Yiwei Wang
,
Lingrui Mei
,
Wenjie Feng
,
Lizhe Chen
,
Xueqi Cheng
PDF
Cite
Code
DOI
ACL Anthology
arXiv
Website
Who is in the Spotlight: The Hidden Bias Undermining Multimodal Retrieval-Augmented Generation
Jiayu Yao
,
Shenghua Liu
,
Yiwei Wang
,
Lingrui Mei
,
Baolong Bi
,
Yuyao Ge
,
Zhecheng Li
,
Xueqi Cheng
Cite
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