activity
20232026
most citedJudging the Judges: A Systematic Study of Position Bias in LLM-as-a-Judge

6 citations · 16 across the 23 of their papers we have counts for

collaborators

27 papers

cs.AI2026

Seeing, Maintaining, and Learning: The Evolution of Multimodal Agent Memory

Minghao Guo, Qingyue Jiao, Xiujin Liu +77

Multimodal models and agents have emerged to enable AI systems to learn from and interact with the real world more like humans by integrating information across multiple modalities…

cs.CL2026

Of Errors and Echoes: Responsibility-Aware Credit Assignment for Tool-Use Agents

Xingjian Diao, Tianyu Yang, Wenjun Huang +8

Reinforcement learning improves tool-use agents, yet fine-grained credit assignment remains challenging even with step-level feedback. An observed error may be inherited from an ea…

cs.AI2026

ADAPT: Audio-Depth Action Planning with Transition-Aware Rewards for Lights-Out Industrial Navigation

Wenjun Huang, Shenghao Fu, Yian Jin +12

Vision-language-action models for embodied navigation typically rely on RGB observations, limiting their applicability in lights-out industrial environments where visible illuminat…

cs.AI2026

Which Tokens Should SFT Actually Learn? A Token-Trimming Perspective on Mathematical Reasoning

Yaning Jia, Chunhui Zhang, Wenxuan Xu +3

Supervised fine-tuning (SFT) applies a uniform cross-entropy loss to all target tokens, even though different tokens provide unequal learning signals for mathematical reasoning. Th…

cs.CV2026

HiST: A Hierarchical Sparse Transformer for Cross-Modal Spatial Transcriptomics Modeling

Weiyi Wu, Xinwen Xu, Xingjian Diao +4

Spatial transcriptomics (ST) links gene expression with tissue morphology but remains expensive and low-throughput, motivating surrogates that infer expression from routine histolo…

cs.CL2026

Doc-to-Atom: Learning to Compile and Compose Memory Atoms

Xingjian Diao, Wenbo Li, Yashas Malur Saidutta +3

Long input sequences are central to document understanding and multi-step reasoning in Large Language Models, yet the quadratic cost of attention makes inference both memory-intens…

cs.CV2026

Exploiting Label-Independent Regularization from Spatial Dependencies for Whole Slide Image Analysis

Weiyi Wu, Xinwen Xu, Chongyang Gao +3

Whole slide images, with their gigapixel-scale panoramas of tissue samples, are pivotal for precise disease diagnosis. However, their analysis is hindered by immense data size and…

cs.CV2026

Addressing Overthinking in Large Vision-Language Models via Gated Perception-Reasoning Optimization

Xingjian Diao, Zheyuan Liu, Chunhui Zhang +6

Large Vision-Language Models (LVLMs) have exhibited strong reasoning capabilities through chain-of-thought mechanisms that generate step-by-step rationales. However, such slow-thin…

cs.LG2025

What Makes a Good Curriculum? Disentangling the Effects of Data Ordering on LLM Mathematical Reasoning

Yaning Jia, Chunhui Zhang, Xingjian Diao +4

Curriculum learning (CL) - ordering training data from easy to hard - has become a popular strategy for improving reasoning in large language models (LLMs). Yet prior work employs…

cs.CV2025

ProtoVQA: An Adaptable Prototypical Framework for Explainable Fine-Grained Visual Question Answering

Xingjian Diao, Weiyi Wu, Keyi Kong +5

Visual Question Answering (VQA) is increasingly used in diverse applications ranging from general visual reasoning to safety-critical domains such as medical imaging and autonomous…

cs.SD2025

Learning Sparsity for Effective and Efficient Music Performance Question Answering

Xingjian Diao, Tianzhen Yang, Chunhui Zhang +3

Music performances, characterized by dense and continuous audio as well as seamless audio-visual integration, present unique challenges for multimodal scene understanding and reaso…

cs.CL2025

SoundMind: RL-Incentivized Logic Reasoning for Audio-Language Models

Xingjian Diao, Chunhui Zhang, Keyi Kong +6

While large language models have demonstrated impressive reasoning abilities, their extension to the audio modality, particularly within large audio-language models (LALMs), remain…

cs.SD2025

Music Audio-Visual Question Answering Requires Specialized Multimodal Designs

Wenhao You, Xingjian Diao, Wenjun Huang +9

While recent Multimodal Large Language Models exhibit impressive capabilities for general multimodal tasks, specialized domains like music necessitate tailored approaches. Music Au…

cs.CL2025

Assessing and Mitigating Medical Knowledge Drift and Conflicts in Large Language Models

Weiyi Wu, Xinwen Xu, Chongyang Gao +4

Large Language Models (LLMs) have great potential in the field of health care, yet they face great challenges in adapting to rapidly evolving medical knowledge. This can lead to ou…

cs.CV2025★ 1 cited

Learning Musical Representations for Music Performance Question Answering

Xingjian Diao, Chunhui Zhang, Tingxuan Wu +4

Music performances are representative scenarios for audio-visual modeling. Unlike common scenarios with sparse audio, music performances continuously involve dense audio signals th…

cs.CV2025

Temporal Working Memory: Query-Guided Segment Refinement for Enhanced Multimodal Understanding

Xingjian Diao, Chunhui Zhang, Weiyi Wu +5

Multimodal foundation models (MFMs) have demonstrated significant success in tasks such as visual captioning, question answering, and image-text retrieval. However, these models fa…

cs.CL2024

AlphaLoRA: Assigning LoRA Experts Based on Layer Training Quality

Peijun Qing, Chongyang Gao, Yefan Zhou +3

Parameter-efficient fine-tuning methods, such as Low-Rank Adaptation (LoRA), are known to enhance training efficiency in Large Language Models (LLMs). Due to the limited parameters…

cs.CV2024

Learning Spatial-Preserving Hierarchical Representations for Digital Pathology

Weiyi Wu, Xingjian Diao, Chunhui Zhang +4

Whole slide images (WSIs) pose fundamental computational challenges due to their gigapixel resolution and the sparse distribution of informative regions. Existing approaches often…

cs.CL2024★ 6 cited

Judging the Judges: A Systematic Study of Position Bias in LLM-as-a-Judge

Lin Shi, Chiyu Ma, Wenhua Liang +3

LLM-as-a-Judge has emerged as a promising alternative to human evaluators across various tasks, yet inherent biases - particularly position bias, the tendency to favor solutions ba…

cs.AI2024

GluMarker: A Novel Predictive Modeling of Glycemic Control Through Digital Biomarkers

Ziyi Zhou, Ming Cheng, Xingjian Diao +2

The escalating prevalence of diabetes globally underscores the need for diabetes management. Recent research highlights the growing focus on digital biomarkers in diabetes manageme…

cs.AI2024★ 2 cited

Toward Short-Term Glucose Prediction Solely Based on CGM Time Series

Ming Cheng, Xingjian Diao, Ziyi Zhou +3

The global diabetes epidemic highlights the importance of maintaining good glycemic control. Glucose prediction is a fundamental aspect of diabetes management, facilitating real-ti…

cs.AI2024★ 2 cited

CrossGP: Cross-Day Glucose Prediction Excluding Physiological Information

Ziyi Zhou, Ming Cheng, Yanjun Cui +2

The increasing number of diabetic patients is a serious issue in society today, which has significant negative impacts on people's health and the country's financial expenditures.…

cs.LG2024

Efflex: Efficient and Flexible Pipeline for Spatio-Temporal Trajectory Graph Modeling and Representation Learning

Ming Cheng, Ziyi Zhou, Bowen Zhang +7

In the landscape of spatio-temporal data analytics, effective trajectory representation learning is paramount. To bridge the gap of learning accurate representations with efficient…

cs.LG2024★ 1 cited

VeTraSS: Vehicle Trajectory Similarity Search Through Graph Modeling and Representation Learning

Ming Cheng, Bowen Zhang, Ziyu Wang +4

Trajectory similarity search plays an essential role in autonomous driving, as it enables vehicles to analyze the information and characteristics of different trajectories to make…