no code implementations • 18 Apr 2024 • Luciana Trinkaus Menon, Luiz Carlos Ribeiro Neduziak, Jean Paul Barddal, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr
The study of human emotions, traditionally a cornerstone in fields like psychology and neuroscience, has been profoundly impacted by the advent of artificial intelligence (AI).
no code implementations • 18 Apr 2024 • Israel A. Laurensi, Alceu de Souza Britto Jr., Jean Paul Barddal, Alessandro Lameiras Koerich
Facial expression recognition is a pivotal component in machine learning, facilitating various applications.
no code implementations • 18 Mar 2024 • Cristiano Mesquita Garcia, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr, Jean Paul Barddal
The proliferation of textual data on the Internet presents a unique opportunity for institutions and companies to monitor public opinion about their services and products.
no code implementations • 18 Mar 2024 • Cristiano Mesquita Garcia, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr, Jean Paul Barddal
To learn from textual data over time, the machine learning system must account for concept drift.
1 code implementation • 8 Feb 2024 • Cristiano M. Garcia, Alceu de Souza Britto Jr, Jean Paul Barddal
People use the internet to express opinions about anything, making social media platforms a social sensor.
no code implementations • 5 Dec 2023 • Cristiano Mesquita Garcia, Ramon Simoes Abilio, Alessandro Lameiras Koerich, Alceu de Souza Britto Jr., Jean Paul Barddal
Due to the advent and increase in the popularity of the Internet, people have been producing and disseminating textual data in several ways, such as reviews, social media posts, and news articles.
no code implementations • 23 Oct 2023 • Lucca Portes Cavalheiro, Simon Bernard, Jean Paul Barddal, Laurent Heutte
High dimension, low sample size (HDLSS) problems are numerous among real-world applications of machine learning.
no code implementations • 28 Sep 2023 • Andre Gustavo Hochuli, Jean Paul Barddal, Gillian Cezar Palhano, Leonardo Matheus Mendes, Paulo Ricardo Lisboa de Almeida
Searching for available parking spots in high-density urban centers is a stressful task for drivers that can be mitigated by systems that know in advance the nearest parking space available.
no code implementations • 15 Sep 2023 • Jeovane Honório Alves, Horácio A. C. G. Pedroso, Rafael Honorio Venetikides, Joel E. M. Köster, Luiz Rodrigo Grochocki, Cinthia O. A. Freitas, Jean Paul Barddal
The growing use of digital communication platforms has given rise to various criminal activities, such as grooming and drug dealing, which pose significant challenges to law enforcement and forensic experts.
no code implementations • 19 Apr 2023 • Jean Paul Barddal, Heitor Murilo Gomes, Fabrício Enembreck
Mining data streams is one of the main studies in machine learning area due to its application in many knowledge areas.
no code implementations • 6 Oct 2022 • Roberto Souto Maior de Barros, Silas Garrido Teixeira de Carvalho Santos, Jean Paul Barddal
Moreover, these data are likely subject to changes in data distribution, known as concept drift.
no code implementations • 26 Apr 2022 • Bruna Delazeri, Leonardo L. Veras, Alceu de S. Britto Jr., Jean Paul Barddal, Alessandro L. Koerich
This work describes different strategies to generate unsupervised representations obtained through the concept of self-taught learning for facial emotion recognition (FER).
no code implementations • 12 Mar 2022 • Paulo Ricardo Lisboa de Almeida, Jeovane Honório Alves, Rafael Stubs Parpinelli, Jean Paul Barddal
Computer vision-based parking lot management methods have been extensively researched upon owing to their flexibility and cost-effectiveness.
no code implementations • 3 Dec 2021 • Denise Maria Vecino Sato, Sheila Cristiana de Freitas, Jean Paul Barddal, Edson Emilio Scalabrin
Concept drift in process mining (PM) is a challenge as classical methods assume processes are in a steady-state, i. e., events share the same process version.
1 code implementation • 17 Aug 2020 • Lucca Portes Cavalheiro, Jean Paul Barddal, Alceu de Souza Britto Jr, Laurent Heutte
Mining data streams is a challenge per se.