2 papers
cs.LG2025
FRAUDGUESS: Spotting and Explaining New Types of Fraud in Million-Scale Financial Data
Robson L. F. Cordeiro, Meng-Chieh Lee, Christos Faloutsos
Given a set of financial transactions (who buys from whom, when, and for how much), as well as prior information from buyers and sellers, how can we find fraudulent transactions? I…
cs.LG2024
McCatch: Scalable Microcluster Detection in Dimensional and Nondimensional Datasets
Braulio V. Sánchez Vinces, Robson L. F. Cordeiro, Christos Faloutsos
How could we have an outlier detector that works even with nondimensional data, and ranks together both singleton microclusters ('one-off' outliers) and nonsingleton microclusters…