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Efficient Learning-based Graph Simulation for Temporal Graphs
Graph simulation has recently received a surge of attention in graph processing and analytics. In real-life applications, e.g. social …
Sheng Xiang, Chenhao Xu, Dawei Cheng, Xiaoyang Wang, Ying Zhang
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Efficient Learning-based Graph Simulation for Temporal Graphs
Generative Dynamic Graph Representation Learning for Conspiracy Spoofing Detection
Spoofing detection in financial trading is crucial, especially for identifying complex behaviors such as conspiracy spoofing. …
Sheng Xiang, Yidong Jiang, Yunting Chen, Dawei Cheng, Guoping Zhao, Changjun Jiang
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Generative Dynamic Graph Representation Learning for Conspiracy Spoofing Detection
Subgraph Patterns Enhanced Graph Neural Network for Fraud Detection
Credit card fraud is a serious problem that causes significant losses for cardholders and issuing banks. Current detection methods …
Yao Zou, Sheng Xiang, Qijun Miao, Dawei Cheng, Changjun Jiang
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Subgraph Patterns Enhanced Graph Neural Network for Fraud Detection
Relation-Aware Heterogeneous Graph Neural Network for Fraud Detection
Fraud detection is a crucial data-mining task in the fields of finance and social media. Traditional machine-learning approaches …
Enxia Li, Jin Ouyang, Sheng Xiang, Lu Qin, Ling Chen
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Relation-Aware Heterogeneous Graph Neural Network for Fraud Detection
Transformed Graph Attention for Credit Rating
In banking finance and lending, credit rating is an important tool to measure creditor and debt reliability and prevent systemic risk …
Charles Z. Liu, Sheng Xiang, Dawei Cheng, Junyi Liu, Ying Zhang, Lu Qin
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Transformed Graph Attention for Credit Rating
Semi-supervised Credit Card Fraud Detection via Attribute-driven Graph Representation
Credit card fraud incurs a considerable cost for both cardholders and issuing banks. Contemporary methods apply machine learning-based …
Sheng Xiang, Mingzhi Zhu, Dawei Cheng, Enxia Li, Ruihui Zhao, Yi Ouyang, Ling Chen, Yefeng Zheng
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Semi-supervised Credit Card Fraud Detection via Attribute-driven Graph Representation
Temporal and Heterogeneous Graph Neural Network for Financial Time Series Prediction
The price movement prediction of stock market has been a classical yet challenging problem, with the attention of both economists and …
Sheng Xiang, Dawei Cheng, Chencheng Shang, Ying Zhang, Yuqi Liang
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Temporal and Heterogeneous Graph Neural Network for Financial Time Series Prediction
Efficient Learning-based Community-Preserving Graph Generation
Graph generation is beneficial to comprehend the creation of meaningful structures of networks in a broad spec-trum of applications …
Sheng Xiang, Dawei Cheng, Jianfu Zhang, Zhenwei Ma, Xiaoyang Wang, Ying Zhang
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Efficient Learning-based Community-Preserving Graph Generation
Spatio-Temporal Attention-Based Neural Network for Credit Card Fraud Detection
Credit card fraud is an important issue and incurs a considerable cost for both cardholders and issuing institutions. Contemporary …
Dawei Cheng, Sheng Xiang, Chencheng Shang, Yiyi Zhang, Fangzhou Yang, Liqing Zhang
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Spatio-Temporal Attention-Based Neural Network for Credit Card Fraud Detection