no code implementations • 23 Aug 2024 • João Lucas Martins, João Bravo, Ana Sofia Gomes, Carlos Soares, Pedro Bizarro
Financial fraud is the cause of multi-billion dollar losses annually.
no code implementations • 28 Jul 2023 • Tiago Leon Melo, João Bravo, Marco O. P. Sampaio, Paolo Romano, Hugo Ferreira, João Tiago Ascensão, Pedro Bizarro
Adversarial attacks are a major concern in security-centered applications, where malicious actors continuously try to mislead Machine Learning (ML) models into wrongly classifying fraudulent activity as legitimate, whereas system maintainers try to stop them.
1 code implementation • 16 Sep 2022 • André F Cruz, Catarina Belém, Sérgio Jesus, João Bravo, Pedro Saleiro, Pedro Bizarro
Tabular data is prevalent in many high-stakes domains, such as financial services or public policy.
no code implementations • 13 Jul 2022 • José Pombal, André F. Cruz, João Bravo, Pedro Saleiro, Mário A. T. Figueiredo, Pedro Bizarro
The unparalleled ability of machine learning algorithms to learn patterns from data also enables them to incorporate biases embedded within.
1 code implementation • 14 Feb 2020 • David Aparício, Ricardo Barata, João Bravo, João Tiago Ascensão, Pedro Bizarro
We propose ARMS, an automated rules management system that evaluates the contribution of individual rules and optimizes the set of active rules using heuristic search and a user-defined loss-function.