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Análise de emoções em tweets de resposta a posts do ex-presidente do Brasil Jair Messias Bolsonaro
(Universidade Federal de São Carlos, 2023-08-30)
In recent decades, several computational advances have allowed more democratic access to the internet and, consequently, to social networks. The reach of digital politics is vast, and Twitter’s role in this scenario is ...
Análise de algoritmos de construção de grafos em conjuntos de dados de alta dimensionalidade
(Universidade Federal de São Carlos, 2023-08-28)
The rapid development and adoption of information technologies, such as the internet, have resulted in an explosion in data generation, significantly increasing the volume of new instances with various attributes. The vast ...
Aplicação web back-end de um fantasy game
(Universidade Federal de São Carlos, 2023-07-21)
In Brazil, the most popular sport is football and, therefore, it is recognized in scenarios that go beyond the lawns, such as the Fantasy Games. Users of this game style create and manage their own teams online, using real ...
Classificação de imagens de satélite com redes neurais convolucionais
(Universidade Federal de São Carlos, 2023-04-06)
Satellite images are used in several areas, such as agribusiness, urban planning, environmental monitoring, among others. These images have a large and complex amount of data and the application of Machine Learning techniques ...
Desenvolvimento de um sistema para economia de combustível com rede neural artificial
(Universidade Federal de São Carlos, 2023-04-06)
This article aims to develop a data acquisition board to identify the uphill and downhill stretches of a vehicle through an LSTM (Long Short Term Memory) artificial neural network, and to estimate the reduction in fuel ...
Algoritimo de detecção de retinopatia diabética baseado em aprendizado de máquina
(Universidade Federal de São Carlos, 2023-04-06)
In this study, the application of neural network and machine learning techniques was explored in order to identify the presence of lesions related to diabetic retinopathy (DR) in fundus images. DR is a frequent complication ...
Aplicação de métodos de redução de dimensionalidade não lineares em classificadores paramétricos e não paramétricos
(Universidade Federal de São Carlos, 2023-12-04)
Much of the data collected and used in machine learning applications is structured in high-dimensional spaces. Images, text documents and sensor data are some examples of data collected all the time, and whose number of ...
Conectividade e saúde: uma revisão crítica da literatura sobre a inserção da IoT no contexto médico
(Universidade Federal de São Carlos, 2024-02-02)
This work analyzes the implementation of the Internet of Things (IoT) in healthcare, emphasizing its bioethical challenges. It explores how IoT and artificial intelligence are being used in hospitals, highlighting ethical ...
Rotulação de sintoma de depressão utilizando aprendizado ativo e processamento de linguagem natural
(Universidade Federal de São Carlos, 2024-01-31)
The approach to caring for psychological disorders, especially depression and anxiety, is seen as one of the current major concerns in mental health. Social networks, such as Twitter, not only allow individuals to maintain ...
Agrupamento em conjunto de dados com múltiplos atributos via redução de dimensionalidade e detecção de comunidades
(Universidade Federal de São Carlos, 2023-02-01)
This work falls within the field of Machine Learning and focuses on the challenge of Clustering in datasets with multiple variables. Addressing the issue of the Curse of Dimensionality, a common difficulty in high-dimensional ...