Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Douglas Alexandre Gomes Vieira"'
Autor:
Adriano Chaves Lisboa, Felipe Pereira, Fellipe Fernandes Goulart Dos Santos, Lidia Caroline A. Pereira Da Silva, Airton Isaac Pereira, Matheus de Oliveira Mendonca, Gustavo Rodrigues Lacerda Silva, Lais Claudine Schiavo Gomes, Douglas Alexandre Gomes Vieira
Publikováno v:
IEEE Access, Vol 12, Pp 137105-137111 (2024)
Assessing the financial risks is an essential component of portfolio management. This assessment involves the employment of one or more risk measures, i.e., quantitative coefficients employed to capture how risky a portfolio is. As the risk measures
Externí odkaz:
https://doaj.org/article/417559247626419bab70943e496e9c94
Autor:
Petr Iakovlevitch Ekel, Sandro Laudares, Adriano José de Barros, Douglas Alexandre Gomes Vieira, Carlos Augusto Paiva da Silva Martins, Matheus Pereira Libório
Publikováno v:
Geographies, Vol 3, Iss 4, Pp 763-778 (2023)
Web Geographic Information Systems (WebGISs) were widely used to monitor COVID-19 cases and deaths during the pandemic. Furthermore, geotechnologies were also very useful in education, public management, tourism, and other areas. Although there are W
Externí odkaz:
https://doaj.org/article/b7e36f368c2d4e76946dca7b046fa7e1
Autor:
Laura Cozzi Ribeiro, Matheus Pereira Libório, Hasheem Mannan, Sandro Laudares, Petr Iakovlevich Ekel, Douglas Alexandre Gomes Vieira, Cristiane Neri Nobre
Publikováno v:
SoftwareX, Vol 26, Iss , Pp 101660- (2024)
Composite indicators are one-dimensional measures that help decision-makers understand complex realities. Existing software builds composite indicators using different methods, also providing a measure of the stability of their structure. Considering
Externí odkaz:
https://doaj.org/article/64aca06f57014d49a65698411e4a9865
Autor:
Matheus Pereira Libório, Roxani Karagiannis, Alexandre Magno Alvez Diniz, Petr Iakovlevitch Ekel, Douglas Alexandre Gomes Vieira, Laura Cozzi Ribeiro
Publikováno v:
Entropy, Vol 26, Iss 2, p 143 (2024)
This research offers a solution to a highly recognized and controversial problem within the composite indicator literature: sub-indicators weighting. The research proposes a novel hybrid weighting method that maximizes the discriminating power of the
Externí odkaz:
https://doaj.org/article/2d5768457da64102a6aa9f2bea57ae53
Autor:
Lívia Maria Leite Silva, Petr Ekel, Douglas Alexandre Gomes Vieira, Matheus Pereira Libório, Marcos Flávio Silveira Vasconcelos D’angelo
Publikováno v:
Energies, Vol 16, Iss 13, p 4880 (2023)
This research aims at developing methodological tools for decision makers (DMs) to determine the locations for generating sites for hybrid renewable energy systems, considering complementarity characteristics of the corresponding sources and their se
Externí odkaz:
https://doaj.org/article/7ad616480fc74330bf8248d65d7253a6
Autor:
Willian Maia, Petr Ekel, Douglas Alexandre Gomes Vieira, Eduardo Antonio de Castro, Mateus Alberto Dorna de Oliveira, Igor Marques Reis, Kenedy Marconi Geraldo Dos Santos
Publikováno v:
IEEE Access, Vol 9, Pp 149383-149397 (2021)
The present work aimed at improving the quality of operational risk estimation for power substations and increasing the efficiency in its reduction using models and methods of multicriteria decision-making. The application of the proposed methodology
Externí odkaz:
https://doaj.org/article/824ee3c2cfd74143af2669f63b889edd
Autor:
Fellipe Fernandes Goulart dos Santos, Marcus Vinícius de Castro Lobato, Douglas Alexandre Gomes Vieira, Adriano Chaves Lisboa, Rodney Rezende Saldanha
Publikováno v:
Energies, Vol 15, Iss 6, p 2156 (2022)
This paper presents a Nash equilibrium approach to model a non-cooperative game that takes place among Brazilian hydro-generating companies in the annual process called “seasonalization”. We have “remade” the seasonalizations that occurred in
Externí odkaz:
https://doaj.org/article/cdf80eceee454a3baa777bad342425f2
Autor:
Gustavo Rodrigues Lacerda Silva, Rafael Ribeiro De Medeiros, Brayan Rene Acevedo Jaimes, Carla Caldeira Takahashi, Douglas Alexandre Gomes Vieira, Antonio De Padua Braga
Publikováno v:
IEEE Access, Vol 5, Pp 27263-27271 (2017)
This paper presents a new clustering algorithm, the GPIC, a graphics processing unit (GPU) accelerated algorithm for power iteration clustering (PIC). Our algorithm is based on the original PIC proposal, adapted to take advantage of the GPU architect
Externí odkaz:
https://doaj.org/article/8a482fd8f0b94d1f8109255913798040
Publikováno v:
Biblioteca Digital de Teses e Dissertações da UFMGUniversidade Federal de Minas GeraisUFMG.
This work presents a novel approach to deal with the structural risk minimization (SRM) applied to a general machine learning problem. The formulation is based on the fundamental concept that supervised learning is a bi-objective optimization problem
Externí odkaz:
http://hdl.handle.net/1843/BUOS-8CTH6W
Autor:
D’angelo, Lívia Maria Leite Silva, Petr Ekel, Douglas Alexandre Gomes Vieira, Matheus Pereira Libório, Marcos Flávio Silveira Vasconcelos
Publikováno v:
Energies; Volume 16; Issue 13; Pages: 4880
This research aims at developing methodological tools for decision makers (DMs) to determine the locations for generating sites for hybrid renewable energy systems, considering complementarity characteristics of the corresponding sources and their se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::2a5e82dcb472ef2f4b6e46cf83e66171