AntTech
Jul 11, 2024 · Information Security
Enhancing Fraud Transaction Detection via Unlabeled Suspicious Records (GIANTESS Framework)
The paper presents GIANTESS, a novel semi‑supervised fraud detection framework that leverages online‑identified suspicious transactions to augment the feature space, generating pseudo‑labels for out‑of‑distribution samples and employing a hybrid loss to improve detection of covert fraudulent activities, achieving notable recall gains on real‑world datasets.
GIANTESSSemi-supervised Learningfraud detection
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