collaborators

7 papers

cs.CV2026

Visual prompting reimagined: The power of the Activation Prompts

Yihua Zhang, Hongkang Li, Yuguang Yao +5

Visual prompting (VP) has emerged as a popular method to repurpose pretrained vision models for adaptation to downstream tasks. Unlike conventional model fine-tuning techniques, VP…

cs.AI2026

Exposing Weaknesses of Large Reasoning Models through Graph Algorithm Problems

Qifan Zhang, Jianhao Ruan, Aochuan Chen +4

Large Reasoning Models (LRMs) have advanced rapidly; however, existing benchmarks in mathematics, code, and common-sense reasoning remain limited. They lack long-context evaluation…

cs.LG2025

Attacking and Securing Community Detection: A Game-Theoretic Framework

Yifan Niu, Aochuan Chen, Tingyang Xu +1

It has been demonstrated that adversarial graphs, i.e., graphs with imperceptible perturbations, can cause deep graph models to fail on classification tasks. In this work, we exten…

cs.LG2025

A Survey of Cross-domain Graph Learning: Progress and Future Directions

Haihong Zhao, Zhixun Li, Chenyi Zi +4

Graph learning plays a vital role in mining and analyzing complex relationships within graph data and has been widely applied to real-world scenarios such as social, citation, and…

cs.LG2025

Mini-Game Lifetime Value Prediction in WeChat

Aochuan Chen, Yifan Niu, Ziqi Gao +5

The LifeTime Value (LTV) prediction, which endeavors to forecast the cumulative purchase contribution of a user to a particular item, remains a vital challenge that advertisers are…

cs.LG2025

Parameter-Efficient Fine-Tuning via Circular Convolution

Aochuan Chen, Jiashun Cheng, Zijing Liu +4

Low-Rank Adaptation (LoRA) has gained popularity for fine-tuning large foundation models, leveraging low-rank matrices and to represent weight changes (i.…