Search Results - "Gomes Vieira, Douglas Alexandre"

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  1. 1

    Risk Measure Analysis by Chaves Lisboa, Adriano, Pereira, Felipe, Fernandes Goulart Dos Santos, Fellipe, Pereira Da Silva, Lidia Caroline A., Isaac Pereira, Airton, de Oliveira Mendonca, Matheus, Rodrigues Lacerda Silva, Gustavo, Claudine Schiavo Gomes, Lais, Alexandre Gomes Vieira, Douglas

    Published in IEEE access (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.,…”
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    Journal Article
  2. 2

    The Use of Information Entropy and Expert Opinion in Maximizing the Discriminating Power of Composite Indicators by Libório, Matheus Pereira, Karagiannis, Roxani, Diniz, Alexandre Magno Alvez, Ekel, Petr Iakovlevitch, Vieira, Douglas Alexandre Gomes, Ribeiro, Laura Cozzi

    Published in Entropy (Basel, Switzerland) (01-02-2024)
    “…This research offers a solution to a highly recognized and controversial problem within the composite indicator literature: sub-indicators weighting. The…”
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    Journal Article
  3. 3

    Spatial Decision-Making under Uncertainties for Supporting the Prospection of Sites for Hybrid Renewable Energy Generation Systems by Silva, Lívia Maria Leite, Ekel, Petr, Vieira, Douglas Alexandre Gomes, Libório, Matheus Pereira, D’angelo, Marcos Flávio Silveira Vasconcelos

    Published in Energies (Basel) (01-07-2023)
    “…This research aims at developing methodological tools for decision makers (DMs) to determine the locations for generating sites for hybrid renewable energy…”
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    Journal Article
  4. 4

    A Nash Equilibrium Approach to the Brazilian Seasonalization of Energy Certificates by dos Santos, Fellipe Fernandes Goulart, de Castro Lobato, Marcus Vinícius, Vieira, Douglas Alexandre Gomes, Lisboa, Adriano Chaves, Saldanha, Rodney Rezende

    Published in Energies (Basel) (01-03-2022)
    “…This paper presents a Nash equilibrium approach to model a non-cooperative game that takes place among Brazilian hydro-generating companies in the annual…”
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    Journal Article
  5. 5

    Geovisualization: A Practical Approach for COVID-19 Spatial Analysis by Ekel, Petr Iakovlevitch, Laudares, Sandro, Barros, Adriano José de, Vieira, Douglas Alexandre Gomes, Martins, Carlos Augusto Paiva da Silva, Libório, Matheus Pereira

    Published in Geographies (01-12-2023)
    “…Web Geographic Information Systems (WebGISs) were widely used to monitor COVID-19 cases and deaths during the pandemic. Furthermore, geotechnologies were also…”
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    Journal Article
  6. 6

    Evaluation of Operational Risk in Power Substations and Its Rational Reduction on the Basis of Multicriteria Allocating Resources by Maia, Willian, Ekel, Petr, Gomes Vieira, Douglas Alexandre, Antonio de Castro, Eduardo, Dorna de Oliveira, Mateus Alberto, Reis, Igor Marques, Dos Santos, Kenedy Marconi Geraldo

    Published in IEEE access (2021)
    “…The present work aimed at improving the quality of operational risk estimation for power substations and increasing the efficiency in its reduction using…”
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    Journal Article
  7. 7

    CUDA-Based Parallelization of Power Iteration Clustering for Large Datasets by Rodrigues Lacerda Silva, Gustavo, Ribeiro De Medeiros, Rafael, Acevedo Jaimes, Brayan Rene, Caldeira Takahashi, Carla, Gomes Vieira, Douglas Alexandre, De PáDua Braga, AntôNio

    Published in IEEE access (01-01-2017)
    “…This paper presents a new clustering algorithm, the GPIC, a graphics processing unit (GPU) accelerated algorithm for power iteration clustering (PIC). Our…”
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    Journal Article
  8. 8

    A Unit Commitment Algorithm and a Compact MILP Model for Short-Term Hydro-Power Generation Scheduling by Guedes, Lucas S. M., de Mendonca Maia, Pedro, Chaves Lisboa, Adriano, Gomes Vieira, Douglas Alexandre, Rezende Saldanha, Rodney

    Published in IEEE transactions on power systems (01-09-2017)
    “…This paper presents a unit commitment algorithm that defines each unit discharge given the water head, the total plant downstream flow, the variable discharge…”
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    Journal Article
  9. 9

    Line search methods with guaranteed asymptotical convergence to an improving local optimum of multimodal functions by Vieira, Douglas Alexandre Gomes, Lisboa, Adriano Chaves

    Published in European journal of operational research (16-05-2014)
    “…•We define and analyze a pattern, called v-pattern, for general line search methods.•We derive enhanced golden section, bisection and Brent’s algorithm•The…”
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    Journal Article
  10. 10

    Specialists’ knowledge and cognitive stress in making pairwise comparisons by Libório, Matheus Pereira, Ekel, Petr Iakovlevitch, Bernardes, Patrícia, Gomes, Luiz Flávio Autran Monteiro, Vieira, Douglas Alexandre Gomes

    Published in Opsearch (01-03-2024)
    “…There is no lack of studies dealing with the consistency of evaluations performed by pairwise comparison in the decision-making literature. Mostly, these…”
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    Journal Article
  11. 11

    Software for building and measuring the quality of composite indicators using ordered weighted averaging: So-called S-CI-OWA by Ribeiro, Laura Cozzi, Libório, Matheus Pereira, Mannan, Hasheem, Laudares, Sandro, Ekel, Petr Iakovlevich, Vieira, Douglas Alexandre Gomes, Nobre, Cristiane Neri

    Published in SoftwareX (01-05-2024)
    “…Composite indicators are one-dimensional measures that help decision-makers understand complex realities. Existing software builds composite indicators using…”
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    Journal Article
  12. 12

    Decreasing Interference in Satellite Broadband Communication Systems Using Modeled Reflector Antennas by Lisboa, A.C., Vieira, D.A.G., Vansconcelos, J.A., Saldanha, R.R., Takahashi, R.H.C.

    Published in IEEE transactions on magnetics (01-06-2008)
    “…Interference between near communication links is characterized and investigated in this paper. The conflicting expected features of target uniform (or…”
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    Journal Article Conference Proceeding
  13. 13
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    Multiattribute spatial decision-making for qualitative information processing as applied to the renewable energy generating sites prospection by Da Silva, Livia Maria Leite, Ekel, Petr, Vieira, Douglas Alexandre Gomes, Soares, Gustavo Luis

    Published in IEEE access (01-01-2020)
    “…The objective of this research is to develop methodological tools to consider qualitative information in solving spatial problems with their particular…”
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    Journal Article
  16. 16

    Estimating the Convection Heat Transfer Coefficient of a Run-Out Cooling Table in a Steel-Making Process by Neural Networks by Barcelos, G. B., Vieira, D. A. G., Saldanha, R. R., Miranda, L. L.

    “…This paper presents a real-world application of neural networks. This application considers the estimation of the convection heat transfer coefficient of a…”
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    Conference Proceeding