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Aviso: Em razão de manutenção do Data Center que hospeda as publicações digitais da Embrapa informamos que todos os arquivos de publicações estarão indisponíveis para download das 15hs do dia 13/12/2024 até o dia 17/12/2024.

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Clustering algorithms validation to system definition of decision-making for vitivinicultural and enological parameters. Author(s): ALVES, C. A. N.; PEREIRA, G. E.; PAULA JÚNIOR, I. C. DE; CAMPOS, L. S.; VASCONCELOS, L. B. DE Clustering algorithms validation to system definition of decision-making for vitivinicultural and enological parameters. Repository: BDPA Publication year: 2024
Classifying hybrids of energy cane for production of bioethanol and cogeneration of biomass-based electricity by principal component analysis-linked fuzzy c-means clustering algorithm. Author(s): MOREIRA, B. R. de A.; VIANA, R. da S.; LISBOA, L. A. M.; LOPES, P. R. M.; FIGUEIREDO, P. A. M. de; RAMOS, S. B.; BONINI, C. S. B.; TRINDADE, V. D. R.; ANDRADE, M. G. de O.; MAY, A. Abstract: The biggest challenge facing in sugar-energy plants is to move towards the biorefinery concept, without threatening the environment and health. Energy cane is the state-of-the-art of smart e... ... Repository: BDPA Publication year: 2019
Clustering approaches and ensembles applied in the delineation of management classes in precision agriculture. Author(s): SPERANZA, E. A.; CIFERRI, R. R.; CIFERRI, C. D. de A. Abstract. This paper describes an experiment performed using different approaches for spatial data clustering, aiming to assist the delineation of management classes in Precision Agriculture (PA). The... ... Repository: BDPA Publication year: 2016
Feature extraction of spatial panel data with autoencoders for clustering the Brazilian agricultural diversity. Author(s): SILVA, M. A. S. da; MATOS, L. N.; SANTOS, F. E. DE O.; DOMPIERI, M. H. G.; MOURA, F. R. DE ABSTRACT - Brazilian agricultural production presents a high degree of spatial diversity, which challenges designing territorial public policies to promote sustainable development. This article propos... ... Repository: BDPA Publication year: 2022
Automatic segmentation of the self-organizing map to support territorial zoning. Author(s): BARRETO, P. V. DE A.; SILVA, M. A. S. da; MATOS, L. N.; MIRANDA JÚNIOR, G. F.; DOMPIERI, M. H. G.; MOURA, F. R. DE; RESENDE, F. K. S. ABSTRACT: This paper proposes an algorithm for analyzing clusters of thematic maps with ordinal categorical classes to support territorial zoning. The proposed method combines the Self-Organizing Map... ... Repository: BDPA Publication year: 2023
Improving multivariate data streams clustering. Author(s): BONES, C. C.; ROMANI, L. A. S.; SOUSA, E. P. M. de Clustering data streams is an important task in data mining research. Recently, some algorithms have been proposed to cluster data streams as a whole, but just few of them deal with multivariate data... ... Repository: BDPA Publication year: 2016
Estimativa e comparação da área ocupada por plantas aquáticas na superfície da Represa Salto Grande - SP com auxílio da classificação de imagens CBERS-2B. Author(s): MORAES, D. A. de C.; SARTORI, A. A. da C.; NOSSACK, F. A.; SPADOTTO, C. A.; ZIMBACK, C. R. L. This study aims to estimate, by using the NDVI index and the unsupervised classification method CLUSTER, the areas covered by aquatic plants in Salto Grande dam, Americana - SP, comparing 2008 and 201... ... Repository: BDPA Publication year: 2011
Impacto da amostragem aleatória uniforme para o aumento da escalabilidade na geração de agrupamentos hierárquicos de séries espaço-temporais. Author(s): MENDES, R. M. S.; RAZENTE, H.; BARIONI, M. C. N.; ROMANI, L. A. S. Este trabalho apresenta resultados do emprego de uma abordagem escalável para o agrupamento hierárquico de séries espaço-temporais de imagens de satélite visando a redução da complexidade de tempo de... ... Repository: BDPA Publication year: 2016
Genetic evaluation of Jatropha curcas: an important oilseed for biodiesel production. Author(s): FREITAS, R. G.; MISSIO, R. F.; MATOS, F. S.; RESENDE, M. D. V. de; DIAS, L. A. S. Jatropha curcas, internationally and locally known, respectively, as physic nut and pinhão manso, is a highly promising species for biodiesel production in Brazil and other countries in the tropics. I... ... Repository: BDPA Publication year: 2011
Estimate of genetic diversity in germplasm of elephant grass accessions in Brazil using the Gower algorithm. Author(s): VIDAL, A. K. F.; DAHER, R. F.; ANDRADE, E. K. V. de; FREITAS, R. S.; STIDA, W. F.; AMARAL JÚNIOR, A. T. do; MENEZES, B. R. da S.; PEREIRA, A. V.; SILVA, V. B. da; TARDIN, F. D.; OLIVEIRA, L. J. da S. de Management of variability in germplasm banks is essential for genetic improvement, so that the breeder can estimate the genetic similarity between cultivars, as well as maintain genetic diversity in b... ... Repository: BDPA Publication year: 2021

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