1 code implementation • AAAI 2023 • Sheng Xiang, Mingzhi Zhu, Dawei Cheng, Enxia Li, Ruihui Zhao, Yi Ouyang, Ling Chen, Yefeng Zheng
Then we pass messages among the nodes through a Gated Temporal Attention Network (GTAN) to learn the transaction representation.
Ranked #1 on Node Classification on Amazon-Fraud
2 code implementations • 9 May 2023 • Sheng Xiang, Dawei Cheng, Chencheng Shang, Ying Zhang, Yuqi Liang
The price movement prediction of stock market has been a classical yet challenging problem, with the attention of both economists and computer scientists.
1 code implementation • Pattern Recognition 2022 • Dawei Cheng, Fangzhou Yang, Sheng Xiang, Jin Liu
The heterogeneous graph network is constructed by the sources as nodes and relations in our financial knowledge graph as edges.
1 code implementation • AAAI 2020 • Dawei Cheng, Sheng Xiang, Chencheng Shang, Yiyi Zhang, Fangzhou Yang, Liqing Zhang
But manually generating features needs domain knowledge and may lay behind the modus operandi of fraud, which means we need to automatically focus on the most relevant patterns in fraudulent behavior.