activity
20212024
most citedEnhancing Ethereum Fraud Detection via Generative and Contrastive Self-supervision

28 citations · 58 across the 8 of their papers we have counts for

collaborators

8 papers

cs.LG2024

Rethinking Graph Transformer Architecture Design for Node Classification

Jiajun Zhou, Xuanze Chen, Chenxuan Xie +3

Graph Transformer (GT), as a special type of Graph Neural Networks (GNNs), utilizes multi-head attention to facilitate high-order message passing. However, this also imposes severa…

cs.LG2024★ 28 cited

Enhancing Ethereum Fraud Detection via Generative and Contrastive Self-supervision

Chenxiang Jin, Jiajun Zhou, Chenxuan Xie +3

The rampant fraudulent activities on Ethereum hinder the healthy development of the blockchain ecosystem, necessitating the reinforcement of regulations. However, multiple imbalanc…

cs.SI2023★ 1 cited

Multi-triplet Feature Augmentation for Ponzi Scheme Detection in Ethereum

Chengxiang Jin, Jiajun Zhou, Shengbo Gong +2

Blockchain technology revolutionizes the Internet, but also poses increasing risks, particularly in cryptocurrency finance. On the Ethereum platform, Ponzi schemes, phishing scams,…

cs.LG2023★ 1 cited

PathMLP: Smooth Path Towards High-order Homophily

Jiajun Zhou, Chenxuan Xie, Shengbo Gong +4

Real-world graphs exhibit increasing heterophily, where nodes no longer tend to be connected to nodes with the same label, challenging the homophily assumption of classical graph n…

cs.LG2023★ 6 cited

Clarify Confused Nodes via Separated Learning

Jiajun Zhou, Shengbo Gong, Xuanze Chen +4

Graph neural networks (GNNs) have achieved remarkable advances in graph-oriented tasks. However, real-world graphs invariably contain a certain proportion of heterophilous nodes, c…

cs.LG2023★ 13 cited

Neighborhood Homophily-based Graph Convolutional Network

Shengbo Gong, Jiajun Zhou, Chenxuan Xie +1

Graph neural networks (GNNs) have been proved powerful in graph-oriented tasks. However, many real-world graphs are heterophilous, challenging the homophily assumption of classical…

cs.LG2022★ 8 cited

Data Augmentation on Graphs: A Technical Survey

Jiajun Zhou, Chenxuan Xie, Shengbo Gong +4

In recent years, graph representation learning has achieved remarkable success while suffering from low-quality data problems. As a mature technology to improve data quality in com…

cs.SI2021★ 1 cited

Inductive Subgraph Embedding for Link Prediction

Chunyu Miao, Chenxuan Xie, Jiajun Zhou +3

Graph representation learning (GRL) has emerged as a powerful technique for solving graph analytics tasks. It can effectively convert discrete graph data into a low-dimensional spa…