Anomaly Detection in Global Financial Markets with Graph Neural Networks and Nonextensive Entropy

Autor: da Costa, Kleyton

Anomaly detection is a challenging task, particularly in systems with many variables. Anomalies are outliers that statistically differ from the analyzed data and can arise from rare events, malfunctions, or system misuse. This study investigated the

Externí odkaz: http://arxiv.org/abs/2308.02914

A Systematic Comparison of Forecasting for Gross Domestic Product in an Emergent Economy

Autor: da Costa, Kleyton, da Silva, Felipe Leite Coelho, Coelho, Josiane da Silva Cordeiro, Modenesi, André de Melo

Gross domestic product (GDP) is an important economic indicator that aggregates useful information to assist economic agents and policymakers in their decision-making process. In this context, GDP forecasting becomes a powerful decision optimization

Externí odkaz: http://arxiv.org/abs/2010.13259

Local and Global Explainability Metrics for Machine Learning Predictions

Autor: Munoz, Cristian, da Costa, Kleyton, Modenesi, Bernardo, Koshiyama, Adriano

Rapid advancements in artificial intelligence (AI) technology have brought about a plethora of new challenges in terms of governance and regulation. AI systems are being integrated into various industries and sectors, creating a demand from decision-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::027ee0456caf1c883b8a9eb48cb24457

O 'ESTRANHO CASAMENTO' ENTRE ULTRANEOLIBERALISMO E ULTRACONSERVADORISMO E OS ATAQUES À UNIVERSIDADE PÚBLICA

Autor: Accioly, Inny Bello, da Silva Nascimento, Luciane, da Costa, Kleyton

Publikováno v: Revista Trabalho Necessário; v. 20 n. 42 (2022): O empresariamento da educação e o Estado-educador; 01-33
Trabalho necessário
Universidade Federal Fluminense (UFF)
instacron:UFF

The article analyzes the significance of the association between ultraneoliberalism and ultraconservatism and its impacts on public universities. It analyzes the agenda of dismantling and refunctionalization of universities, relating it to ultraneoli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::0f0b174a97cdbdf6c157d150a9e7dd82
https://periodicos.uff.br/trabalhonecessario/article/view/53425