Browsing TCC by Issue Date
Now showing items 1-20 of 22
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A Study of the ISOMAP Algorithm and Its Applications in Machine Learning
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 11/12/2015)This project aims to study the foundations of nonlinear dimensionality reduction through manifold learning with the algorithm known as Isometric Feature Mapping (ISOMAP) and observe the application of the algorithm in ... -
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. ... -
Infraestrutura computacional altamente replicável e portável para pesquisa em Ciência de Dados utilizando OpenHPC
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/06/2021)High-performance computing or HPC refers to the use of supercomputers or the use of multiple computers in tasks that require a large amount of processing. An HPC infrastructure is a requirement to carry out research in the ... -
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 ... -
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 ... -
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 ... -
Detecção automática de postagens possivelmente depressivas em redes sociais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/11/2021)Currently, depression is one of the most worrisome mental health issues. In Brazil, in 2019, 10.2% of the adult population reported having been diagnosed with depression according to data from the National Health Survey. ... -
Diagnóstico da doença de Alzheimer usando autoencoders aplicados a imagens de ressonância magnética
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/04/2022)Alzheimer's disease (AD) is a neurodegenerative disease that causes damage associated with memory and thinking, causing a gradual decline in judgment, reasoning and learning. One of the ways to aid in the diagnosis of AD ... -
Análise comparativa entre técnicas de aprendizado de máquina aplicadas para a predição de preços de produtos hortifrutícolas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/08/2023)Family farming is characterized as any form of land cultivation managed by a family, employing its own members as the main labor force. Most agricultural establishments in Brazil fit this definition, however, the area ... -
Análise de emoções em tweets de resposta a posts do ex-presidente do Brasil Jair Messias Bolsonaro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/08/2023)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 ... -
Ataques de firmware na cadeia de produção
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/08/2023)This work is about the process of identifying and corrupting a piece of firmware to attack a supply chain. In it, it is explained what is a supply chain and the relevance and impact of studying its security. Then, it ... -
Estudo de ferramentas de automação para computação em nuvem
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/08/2023)Computing emerged to facilitate the actions of human life, from the creation of electronic spreadsheets to information access. Bringing it to cloud computing, it offers solutions such as virtual services to facilitate ... -
Rotulação de sintoma de depressão utilizando aprendizado ativo e processamento de linguagem natural
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/01/2024)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 ... -
Comparação de ferramentas de análise de dados para uso no marketing digital
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/01/2024)This paper focuses on the importance of data analysis in the field of digital marketing and choosing the most appropriate data analysis tool to optimize marketing strategies. The study compares three popular data analysis ... -
Um estudo sobre o uso de módulos core em testes automatizados de aplicações Node.js
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)With the continuous advancement of web applications, understanding their behaviors and key operations is indispensable for improving the technologies used. This study focuses on the analysis of asynchronous functions in ... -
Projeto e implementação de um ambiente de capacitação em computação em nuvem com virtualização
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)OpenStack-based cloud computing platforms are notoriously complex to deploy, requiring the efforts of operators who are familiar with the process and its interactions with the surrounding environment. In particular, ... -
Inteligência artificial para testes de software
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)The software development process is essential for applications used on a daily basis. Part of this process involves the stage of software testing, responsible for revealing the presence of defects and improving the ... -
Refinando a experiência de busca: uma análise detalhada de algoritmos de classificação e estratégias de ranqueamento
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 04/09/2024)In recent years, an online presence has become indispensable for organizations and individuals seeking visibility and relevance in an increasingly digital environment. Ranking algorithms are the backbone of modern search ... -
Automação de implantação de ambiente de computação em nuvem
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/09/2024)Cloud computing is a frequently used technology today, but one which is very complex in the process of implementing, stabilizing and maintaining environments (clusters) available to users. For OpenStack-based environments, ... -
Comparação de modelos de redes neurais na segmentação de vasos sanguíneos em imagens médicas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/09/2024)The analysis of blood vessels is responsible for extracting various important pieces of information in the healthcare field, and the impact of more precise analyses on disease studies and diagnoses holds positive potential. ...