6 papers
Mapping Emerging Climate Misinformation Playbooks in the Global South
Marcelo Sartori Locatelli, Wenchao Dong, Pedro Loures Alzamora +4
Climate misinformation continues to erode support for climate action, a challenge that is especially acute in the Global South, where high climate vulnerability intersects with dev…
Beyond Patient Invariance: Learning Cardiac Dynamics via Action-Conditioned JEPAs
Jose Geraldo Fernandes, Luiz Facury, Pedro Robles Dutenhefner +1
Self-supervised learning in healthcare has largely relied on invariance-based objectives, which maximize similarity between different views of the same patient. While effective for…
POLAR:A Per-User Association Test in Embedding Space
Pedro Bento, Arthur Buzelin, Arthur Chagas +7
Most intrinsic association probes operate at the word, sentence, or corpus level, obscuring author-level variation. We present POLAR (Per-user On-axis Lexical Association Re-port),…
Transferring Clinical Knowledge into ECGs Representation
Jose Geraldo Fernandes, Luiz Facury de Souza, Pedro Robles Dutenhefner +2
Deep learning models have shown high accuracy in classifying electrocardiograms (ECGs), but their black box nature hinders clinical adoption due to a lack of trust and interpretabi…
A CNN-based Local-Global Self-Attention via Averaged Window Embeddings for Hierarchical ECG Analysis
Arthur Buzelin, Pedro Robles Dutenhefner, Turi Rezende +9
Cardiovascular diseases remain the leading cause of global mortality, emphasizing the critical need for efficient diagnostic tools such as electrocardiograms (ECGs). Recent advance…
Discord Unveiled: A Comprehensive Dataset of Public Communication (2015-2024)
Yan Aquino, Pedro Bento, Arthur Buzelin +12
Discord has evolved from a gaming-focused communication tool into a versatile platform supporting diverse online communities. Despite its large user base and active public servers,…