Navegando Cursos de Graduação por áreas do CNPq "CIENCIAS EXATAS E DA TERRA::CIENCIA DA COMPUTACAO::METODOLOGIA E TECNICAS DA COMPUTACAO"
Itens para a visualização no momento 1-20 of 52
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Uma análise comparativa de desempenho entre diferentes tecnologias de execução de aplicações web do lado do servidor
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)This work compares the performance of native applications against applications to be executed by execution systems. The applications were built with two frameworks meant for server-side application development with Java: ... -
Método escalável para aproximar uma MST utilizando um grafo de k vizinhos mais próximos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/06/2021)Finding the Minimum Spanning Tree (MST) consists of inducing a spanning tree whose sum of edge costs is minimal. Among many applications, the MST is widely used in unsupervised machine learning algorithms, such as ... -
Um estudo de redes neurais recorrentes no contexto de previsões no mercado financeiro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/12/2020)Financial time series forecasting is one of the most researched artificial intelligence applications by financial market analysts, both in the academic and corporate world. Within this area, there is a great emphasis on ... -
Emoweb-k: extensão de um plugin para adaptar interfaces de usuário na web considerando emoções
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/06/2021)Emotions are an important aspect of the user experience when using a system. In the literature, there are works that propose systems that change as user interfaces (UI) considering emotions, taking into account what is ... -
Utilização de aprendizagem de máquina para classificação de e-mails em categorias relevantes
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/06/2021)One of the main technology tools currently used to exchange information is the email service. However, managing the high volume of information received is one of the major challenges encountered in using this service in ... -
Programação linear, linear inteira e os algoritmos Simplex e Branch and Bound: Problemas e aplicações em otimização
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/06/2021)Optimization problems are those in which the objective is to maximize or minimize a function, called an objective function. In the optimization process, restrictions on decision variables are determined, according to which ... -
Análise de artigos científicos sobre COVID-19: uma perspectiva usando redes complexas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)The COVID-19 pandemic was one of the 21st century's biggest events, impacting the lives of all the people on the planet. From a scientific perspective, it was a very accelerated growth period for the medical, pharmaceutical ... -
Aprimoramento de um modelo iterativo de segmentação de lesões de esclerose múltipla em imagens de ressonância magnética
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/04/2022)Multiple Sclerosis (MS) is a cronical, inflammatory and demyelinating disease that impairs the central nervous system (CNS). MS is possibly autoimmune and mainly affects the young adult population. Although its diagnosis ... -
Mapeamento isométrico de atributos baseado em geometria diferencial para aprendizado de métricas não supervisionado
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/11/2021)The act of representing a dataset in a way that’s more compact and significant is denominated dimensionality reduction. The capacity of building adaptive distance functions to each dataset before classification is known ... -
Incorporando correlações entre exemplos para classificação multirrótulo via espaço de classes
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/06/2021)Multi-label classification is a machine learning task where instances can be classified into two or more labels simultaneously. In this task, there exist correlations between the instances belonging to same or similar sets ... -
Seleção de SNPs utilizando random forests
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/07/2020)Single Nucleotide Polymorphisms (SNPs) are single-base variations in the nucleotide sequence of different individuals or between homologous sequences within a living being. A large part of genetic variations occur as SNPs. ... -
Segmentação e quantificação de tecidos das regiões hipocampais em imagens de ressonância magnética aplicadas ao auxílio ao diagnóstico do Alzheimer
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/04/2022)Alzheimer’s disease (AD), is a neurodegenerative disease that destroys brain cells, causing losses in cognitive functions and the ability to perform simple tasks daily. AD has a progressive course and its prevalence increases ... -
Perceptions of Brazilian college students about ethics in computer-based data collection and interventions for mental health
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 10/11/2021)Many college students worldwide exhibited bad symptoms of mental health conditions. In Brazil, the indicators are particularly alarming. Computing technologies have been investigated as possible support in this scenario. ... -
Análise de polaridade e de tópicos em tweets no domínio da política no Brasil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/10/2021)The political scenario in Brazil is one of the busiest and most controversial in the last decade. With the advent of social networks, a new communication channel between voters and politicians was created, with users having ... -
ECID lite: uma aplicação para previsão de explosões solares
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/04/2022)Solar flares are phenomena that happen on the Sun, which consist of a sudden release of a large amount of energy. This large release of solar radiation causes electromagnetic disturbances on the earth, affecting communications, ... -
Árvore de predição semi-supervisionada para predição de localização subcelular de proteínas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/11/2021)Protein subcellular localization is a really important classification task, because the location of proteins inside a cell is directly related to these protein’s functions. As there are a lot of proteins that reside at the ... -
Aprendizado não supervisionado de métricas via redução de dimensionalidade para reconhecimento de dígitos numéricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/11/2021)Character recognition is a task that has occurred since the last century and is still a problem to be solved nowadays. One of the challenges is that the characters to be classified are images, therefore, they have many ... -
Construção de um pipeline de dados utilizando serviços da nuvem
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)The evolution of the computer network and the increasing access and interaction of the world population to the internet has provided a change in the data scenario. At all times, data is generated in exorbitant amounts and ... -
Uma análise experimental de modelos de relacionamentos direcionais em banco de dados espaciais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/04/2022)The use of spatial data is constantly growing in several areas of knowledge. This information is stored in Spatial Databases, which use approximations to simplify objects and thus reduce execution time. Spatial queries ... -
Programação de um módulo de business intelligence no Block-Based Integrated Platform for Embedded Systems (BIPES)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2022)With the modernization of technologies and the activities of the society, the decision-making process starts to depend on the analysis of increasingly larger data sets. The increase in the use of the internet, the emergence ...