Multiple perspectives HMM-based feature engineering for credit card fraud detection
Yvan Lucas, Pierre-Édouard Portier, Léa Laporte, Sylvie Calabretto, Olivier Caelen, Liyun He-Guelton, Michael Granitzer · 2019
Machine learning and data mining techniques have been used extensively in order to detect credit card frauds. However, most studies consider credit card transactions as isolated events and not as a sequence of transactions.