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20242026
most citedZero-shot Generalist Graph Anomaly Detection with Unified Neighborhood Prompts

2 citations · 5 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2026

PromptDyG: Test-Time Prompt Adaptation on Dynamic Graphs

Guoguo Ai, Chaoxi Niu, Hui Yan +3

Activities in numerous evolving systems can be represented as dynamic graphs in snapshot form at different time intervals, i.e., discrete-time dynamic graphs (DTDGs). Existing meth…

cs.CV2026

FedHPro: Federated Hyper-Prototype Learning via Gradient Matching

Huan Wang, Jun Shen, Haoran Li +6

Federated Learning (FL) enables collaborative training of distributed clients while protecting privacy. To enhance generalization capability in FL, prototype-based FL is in the spo…

cs.LG2026

Domain-Skewed Federated Learning with Feature Decoupling and Calibration

Huan Wang, Jun Shen, Jun Yan +1

Federated learning (FL) allows distributed clients to collaboratively train a global model in a privacy-preserving manner. However, one major challenge is domain skew, where client…

cs.CL2026

Identifying Good and Bad Neurons for Task-Level Controllable LLMs

Wenjie Li, Guansong Pang, Hezhe Qiao +2

Large Language Models have demonstrated remarkable capabilities on multiple-choice question answering benchmarks, but the complex mechanisms underlying their large-scale neurons re…

cs.LG2025

Normality Calibration in Semi-supervised Graph Anomaly Detection

Guolei Zeng, Hezhe Qiao, Guoguo Ai +2

Graph anomaly detection (GAD) has attracted growing interest for its crucial ability to uncover irregular patterns in broad applications. Semi-supervised GAD, which assumes a subse…

cs.LG2025

Semi-supervised Graph Anomaly Detection via Robust Homophily Learning

Guoguo Ai, Hezhe Qiao, Hui Yan +1

Semi-supervised graph anomaly detection (GAD) utilizes a small set of labeled normal nodes to identify abnormal nodes from a large set of unlabeled nodes in a graph. Current method…

cs.LG2025★ 2 cited

AnomalyGFM: Graph Foundation Model for Zero/Few-shot Anomaly Detection

Hezhe Qiao, Chaoxi Niu, Ling Chen +1

Graph anomaly detection (GAD) aims to identify abnormal nodes that differ from the majority of the nodes in a graph, which has been attracting significant attention in recent years…

cs.LG2024★ 1 cited

GrokFormer: Graph Fourier Kolmogorov-Arnold Transformers

Guoguo Ai, Guansong Pang, Hezhe Qiao +2

Graph Transformers (GTs) have demonstrated remarkable performance in graph representation learning over popular graph neural networks (GNNs). However, self--attention, the core mod…

cs.LG2024

Replay-and-Forget-Free Graph Class-Incremental Learning: A Task Profiling and Prompting Approach

Chaoxi Niu, Guansong Pang, Ling Chen +1

Class-incremental learning (CIL) aims to continually learn a sequence of tasks, with each task consisting of a set of unique classes. Graph CIL (GCIL) follows the same setting but…

cs.LG2024★ 2 cited

Zero-shot Generalist Graph Anomaly Detection with Unified Neighborhood Prompts

Chaoxi Niu, Hezhe Qiao, Changlu Chen +2

Graph anomaly detection (GAD), which aims to identify nodes in a graph that significantly deviate from normal patterns, plays a crucial role in broad application domains. However,…

cs.LG2024

Harnessing Collective Structure Knowledge in Data Augmentation for Graph Neural Networks

Rongrong Ma, Guansong Pang, Ling Chen

Graph neural networks (GNNs) have achieved state-of-the-art performance in graph representation learning. Message passing neural networks, which learn representations through recur…

cs.LG2024

Imbalanced Graph Classification with Multi-scale Oversampling Graph Neural Networks

Rongrong Ma, Guansong Pang, Ling Chen

One main challenge in imbalanced graph classification is to learn expressive representations of the graphs in under-represented (minority) classes. Existing generic imbalanced lear…

cs.LG2024

Graph Continual Learning with Debiased Lossless Memory Replay

Chaoxi Niu, Guansong Pang, Ling Chen

Real-life graph data often expands continually, rendering the learning of graph neural networks (GNNs) on static graph data impractical. Graph continual learning (GCL) tackles this…