NGS

The author implementation of "Explainable Graph-based Fraud Detection via Neural Meta-graph Search" (CIKM 2022).

Requirements

numpy==1.23.5
scikit_learn==0.24.2
scipy==1.9.1
torch==1.9.0

Dataset

YelpChi and Amazon can be downloaded from here.

Please unzip the downloaded files, and put the "Amazon.mat" and "YelpChi.mat" to the "/data" directory .

Usage

python run_all.py --steps 4 4 4 4 --dataset amazon
python run_all.py --steps 4 4 4 4 --dataset yelp

Citation

@inproceedings{qin2022explainable,
    author = {Qin, Zidi and Liu, Yang and He, Qing and Ao, Xiang},
    title = {Explainable Graph-Based Fraud Detection via Neural Meta-Graph Search},
    year = {2022},
    booktitle = {Proceedings of the 31st ACM International Conference on Information and Knowledge Management},
    pages = {4414–4418},
}