HUGE: A Label-Free Heterophily-Guided Approach for Unsupervised Graph Fraud Detection

May 19, 2026 ยท View on GitHub

Junjun Pan, Yixin Liu, Xin Zheng, Yizhen Zheng, Alan Wee-Chung Liew, Fuyi Li, Shirui Pan

This repo contains the official implementation of AAAI25 HUGE: A Label-Free Heterophily-Guided Approach for Unsupervised Graph Fraud Detection

To reproduce the results proposed in the paper, run

Amazon

python main.py --dataset Amazon --lr 5e-4 --kd_param 0.5 --epoch 300 --seed 0

Facebook

python main.py --dataset Facebook --lr 5e-4 --kd_param 0.5 --epoch 300 --seed 0

Reddit

python main.py --dataset Reddit --lr 5e-4 --kd_param 0.5 --epoch 300 --seed 0

YelpChi

python main.py --dataset YelpChi --lr 5e-4 --kd_param 0.5 --epoch 300 --seed 0

AmazonFull

python main.py --dataset AmazonFull --lr 5e-4 --kd_param 1.0 --epoch 10 --seed 0

YelpChiFull

python main.py --dataset YelpChiFull --lr 1e-5 --kd_param 3 --epoch 5 --seed 0

Environment

The code is tested under conda environment (py 3.9.18) with these additional libs installed:

Please let us know if you find other libs are also required.

dgl==1.1.2+cu117
torch==2.0.0+cu117
torch-geometric==2.5.2+cu117
torch-cluster==1.6.3+cu117
torch-scatter==2.1.2+cu117
torch-sparse==0.6.18+cu117
tqdm==4.64.1