L. Costa <em>et al.</em>" Bid fraud alerts: A social media-based approach", in <em>Proceedings of the 11th Brazilian Workshop on Social Network Analysis and Mining</em>, Niterói, 2022, pp. 37-48, doi: <a href="https://doi.org/10.5753/brasnam.2022.223175">https://doi.org/10.5753/brasnam.2022.223175</a>.