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Data envelopment analysis and fuzzy theory: efficiency evaluation under uncertainty in portfolio optimization
(2015-01-01)
This article aims to analyze the behavior of a portfolio selected through Data Envelopment Analysis (DEA) associated with fuzzy logic and optimized using the Sharpe approach. As a basis for comparison, two other portfolios ...
FUZZY PARA - LINDELOF SPACES
(Universidad Católica del Norte, Departamento de Matemáticas, 2009)
Novo Método de Identificação Fuzzy para Sistemas MISO e suas AplicaçõesA New Fuzzy Identification Method for MISO Systems and their Applications
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Engenharia Elétrica, 2020)
An automatic procedure to create fuzzy ontologies from users’ opinions using sentiment analysis procedures and multi-granular fuzzy linguistic modelling methods
The high amount of information that users continually provides to the Internet is unorganized and difficult to interpret. Unluckily, there is no point in having high amounts of information that we cannot work with. Therefore, ...
Implementação de sistema nebuloso (“fuzzy”) para controle de oxigênio dissolvido no cultivo de Escherichia coli para expressão de proteínas recombinantes
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQCâmpus São Carlos, 2022-04-27)
Due to low oxygen solubility in water and mechanical limitations of a bioreactor, ensuring an adequate dissolved oxygen supply during a recombinant Escherichia coli cultivation is a major challenge in process control. In ...
Técnicas de lógica difusa aplicadas a la minería de datos
(Pereira : Universidad Tecnológica de PereiraFacultad de Ciencias Básicas, 2011)
Monitoring of structural integrity using unsupervised data clustering techniques
(2015-01-01)
This work presents a comparative study of three unsupervised data clustering techniques used to perform the monitoring of the structural integrity of an agricultural tractor. The techniques used in this study are: K-Means, ...
Mapas Cognitivos Difusos Aleatorios DinámicosDynamic Random Fuzzy Cognitive Maps
(Computación y Sistemas, 2009)