Arévalo, Franklim; Barucca, Paolo; Téllez-León, … - In: Latin American journal of central banking : LAJCB 3 (2022) 1, pp. 1-34
We develop an unsupervised methodology to group payments and identify possible anomalies. With our methodology, we identify clusters based on a set of network features, using transactional (unlabeled) information from a systemically important payment system of El Salvador. We first preprocess...