activity
20232026
most citedPartitioning Message Passing for Graph Fraud Detection

7 citations · 11 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2026★ 2 cited

NodeImport: Imbalanced Node Classification with Node Importance Assessment

Nan Chen, Zemin Liu, Bryan Hooi +3

In real-world applications, node classification on graphs often faces the challenge of class imbalance, where majority classes dominate training, resulting in biased model performa…

cs.LG2026

Multi-Label Node Classification with Label Influence Propagation

Yifei Sun, Zemin Liu, Bryan Hooi +4

Graphs are a complex and versatile data structure used across various domains, with possibly multi-label nodes playing a particularly crucial role. Examples include proteins in PPI…

cs.IR2025

RGL: A Graph-Centric, Modular Framework for Efficient Retrieval-Augmented Generation on Graphs

Yuan Li, Jun Hu, Jiaxin Jiang +3

Recent advances in graph learning have paved the way for innovative retrieval-augmented generation (RAG) systems that leverage the inherent relational structures in graph data. How…

cs.AI2024★ 7 cited

Partitioning Message Passing for Graph Fraud Detection

Wei Zhuo, Zemin Liu, Bryan Hooi +4

Label imbalance and homophily-heterophily mixture are the fundamental problems encountered when applying Graph Neural Networks (GNNs) to Graph Fraud Detection (GFD) tasks. Existing…

cs.LG2024★ 2 cited

BuffGraph: Enhancing Class-Imbalanced Node Classification via Buffer Nodes

Qian Wang, Zemin Liu, Zhen Zhang +1

Class imbalance in graph-structured data, where minor classes are significantly underrepresented, poses a critical challenge for Graph Neural Networks (GNNs). To address this chall…

cs.SI2023

EX-Graph: A Pioneering Dataset Bridging Ethereum and X

Qian Wang, Zhen Zhang, Zemin Liu +3

While numerous public blockchain datasets are available, their utility is constrained by an exclusive focus on blockchain data. This constraint limits the incorporation of relevant…