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Uma álgebra ER para consultas em bancos de dados NoSQL: implementação de operadores adicionais e análise de desempenho
(Universidade Federal de São Carlos, 2020-04-09)
Databases and database systems are essential to modern life. In a scenario of increasing data handling arose the need to find newer ways to store and process data that are able to cope with the rapid evolution of society. ...
Método para classificação de sementes agrícolas em imagens obtidas por tomografia de raios-X em alta resolução
(Universidade Federal de São Carlos, 2020-05-20)
This research produced a method for classifying agricultural oil seeds based on tomography (CT) assays. Oilseeds may present good or poor quality for planting, the latter being related to the presence of defects associated ...
Extração automática de relações semânticas a partir de dados ruidosos
(Universidade Federal de São Carlos, 2020-03-09)
Relationship extraction is a task performed in text-based continuous learning systems, aiming to find semantic relationships between categories or entities. NELL is such a system, which suffers from supervised labeling in ...
Diretrizes para o design de soluções computacionais cientes da sustentabilidade
(Universidade Federal de São Carlos, 2018-12-21)
Sustainability is a subject that has gained visibility through international discussions and concern for the future. When talking about sustainability, it must be understood in terms of both environmental and social and ...
Aplicação de redes neurais artificiais à previsão do preço da energia elétrica para distintas zonas de mercados desregulamentados
(Universidade Federal de São Carlos, 2018-10-10)
The estimation of the energy price plays a crucial role in the current model of
commercialization of energy in many countries. Better estimation capacity makes it
possible to identify appropriate strategies for market ...
Detecção de novidade em fluxos contínuos de dados multirrótulo
(Universidade Federal de São Carlos, 2019-07-29)
Multi-label Stream Classification (MLSC) aims at classifying streaming examples into multiple classes simultaneously. It is a very challenging task, since new classes may emerge (concept evolution), and known classes may ...
Um novo método Wrapper multiobjetivo para seleção de bandas de Imagens Hiperspectrais
(Universidade Federal de São Carlos, 2020-02-19)
Hyperspectral images (HIs) are characterized by higher spectral resolution than other kind of images, having applications in areas such as medicine, mining, and especially in agriculture. These images in conjunction with ...
Distributed d-fuzzstream: agrupamento fuzzy não supervisionado distribuído em fluxo de dados
(Universidade Federal de São Carlos, 2019-02-26)
In the last decade, the interest in managing unlimited sequences of data produced at high rates, known as data stream (DS), has grown. Applications of DSs include sensor networks, weather analysis, stock market analysis, ...
Técnicas de reconhecimento de imagem para incorporação em ferramentas de auxílio a deficientes visuais
(Universidade Federal de São Carlos, 2019-06-26)
Visual impairment can cause many limitations to a person, which includes working in basic
home duties, professional activities, and also changing the way the world is perceived by
him or her. The advent of new technologies ...
Redes neurais recorrentes e XGBoost aplicados à previsão de radiação solar no horizonte de curto prazo
(Universidade Federal de São Carlos, 2018-08-28)
Precise estimates of energy production and consumption are essential to promote the integration of renewable energy sources to the electrical grid, guiding power supply balance through cycles and fluctuations inherent to ...