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20242026
most citedLLM-Powered Text-Attributed Graph Anomaly Detection via Retrieval-Augmented Reasoning

1 citations · 1 across the 10 of their papers we have counts for

collaborators

11 papers

cs.CL2026

Multimodal Generative Engine Optimization: Rank Manipulation for Vision-Language Model Rankers

Yixuan Du, Chenxiao Yu, Haoyan Xu +3

Vision-Language Models (VLMs) integrate visual and textual knowledge into unified representations that increasingly underpin modern retrieval and recommendation systems. However, i…

cs.CV2025

ChromouVQA: Benchmarking Vision-Language Models under Chromatic Camouflaged Images

Yunfei Zhang, Yizhuo He, Yuanxun Shao +5

Vision-Language Models (VLMs) have advanced multimodal understanding, yet still struggle when targets are embedded in cluttered backgrounds requiring figure-ground segregation. To…

cs.SI2025

TAGFN: A Text-Attributed Graph Dataset for Fake News Detection in the Age of LLMs

Kay Liu, Yuwei Han, Haoyan Xu +3

Large Language Models (LLMs) have recently revolutionized machine learning on text-attributed graphs, but the application of LLMs to graph outlier detection, particularly in the co…

cs.LG2025★ 1 cited

LLM-Powered Text-Attributed Graph Anomaly Detection via Retrieval-Augmented Reasoning

Haoyan Xu, Ruizhi Qian, Zhengtao Yao +10

Anomaly detection on attributed graphs plays an essential role in applications such as fraud detection, intrusion monitoring, and misinformation analysis. However, text-attributed…

cs.LG2025

A Systematic Study of Model Extraction Attacks on Graph Foundation Models

Haoyan Xu, Ruizhi Qian, Jiate Li +9

Graph machine learning has advanced rapidly in tasks such as link prediction, anomaly detection, and node classification. As models scale up, pretrained graph models have become va…

cs.LG2025

Can Molecular Foundation Models Know What They Don't Know? A Simple Remedy with Preference Optimization

Langzhou He, Junyou Zhu, Fangxin Wang +5

Molecular foundation models are rapidly advancing scientific discovery, but their unreliability on out-of-distribution (OOD) samples severely limits their application in high-stake…

cs.CV2025

AMMKD: Adaptive Multimodal Multi-teacher Distillation for Lightweight Vision-Language Models

Yuqi Li, Chuanguang Yang, Junhao Dong +6

The success of large-scale visual language pretraining (VLP) models has driven widespread adoption of image-text retrieval tasks. However, their deployment on mobile devices remain…

cs.LG2025

Graph Synthetic Out-of-Distribution Exposure with Large Language Models

Haoyan Xu, Zhengtao Yao, Ziyi Wang +4

Out-of-distribution (OOD) detection in graphs is critical for ensuring model robustness in open-world and safety-sensitive applications. Existing graph OOD detection approaches typ…

cs.LG2025

GLIP-OOD: Zero-Shot Graph OOD Detection with Graph Foundation Model

Haoyan Xu, Zhengtao Yao, Xuzhi Zhang +6

Out-of-distribution (OOD) detection is critical for ensuring the safety and reliability of machine learning systems, particularly in dynamic and open-world environments. In the vis…

cs.LG2025

Few-Shot Graph Out-of-Distribution Detection with LLMs

Haoyan Xu, Zhengtao Yao, Yushun Dong +4

Existing methods for graph out-of-distribution (OOD) detection typically depend on training graph neural network (GNN) classifiers using a substantial amount of labeled in-distribu…

cs.LG2024

LEGO-Learn: Label-Efficient Graph Open-Set Learning

Haoyan Xu, Kay Liu, Zhengtao Yao +4

How can we train graph-based models to recognize unseen classes while keeping labeling costs low? Graph open-set learning (GOL) and out-of-distribution (OOD) detection aim to addre…