@article{article3711e912,
title   = {Anomaly detection in Brazilian Federal Government purchase cards through unsupervised learning techniques},
author = {Nunes, Breno and Colliri, Tiago and Lauretto, Marcelo de Souza and Liu, Weiguang and Liang, Zhao},
year = {2021},
doi = {10.1007/978-3-030-91699-2_2},
publisher = {Springer},
booktitle   = {Brazilian Conference on Intelligent Systems - BRACIS}
}