Voucher abuse detection with prompt-based fine-tuning on graph neural networks

Voucher abuse detection is an important anomaly detection problem in E-commerce. While many GNN-based solutions have emerged, the supervised paradigm depends on a large quantity of labeled data. A popular alternative is to adopt self-supervised pre-training using label-free data, and further fine-tu...

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Bibliographic Details
Main Authors: WEN, Zhihao, FANG, Yuan, LIU, Yihan, GUO, Yang, HAO, Shuji
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 2023
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Online Access:https://ink.library.smu.edu.sg/sis_research/8251
https://ink.library.smu.edu.sg/context/sis_research/article/9254/viewcontent/CIKM23_VPGNN.pdf
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Institution: Singapore Management University
Language: English