DOI: 10.11606/d.55.2019.tde-22032019-171747
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Tomada de decisões em sistemas financeiros utilizando algoritmos de aprendizado de máquina supervisionado

Abstract: Este trabalho é dedicado minha esposa Maíra e meus filhos Lorena e Rodrigo meus pais e cunhados que sempre me apoiaram e acreditaram em meus objetivos e sonhos. Em especial, ao meu avô Paulo Botelho que me fez conhecer um computador quando criança. AGRADECIMENTOSOs agradecimentos principais são direcionados a André Ponce de Leon Carvalho e Rodrigo Mello que me auxiliaram a conclusão deste trabalho e ao coordenador Antônio Castelo que idealizou o curso MECAI. RESUMOOTTE JUNIOR, L. C. Tomada de decisões em siste… Show more

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Cited by 1 publication
(2 citation statements)
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References 13 publications
(16 reference statements)
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“…The studies have some limitations, such as the lack of k-fold cross-validation, the use of only one dataset, and the lack of statistical tests. In addition, other studies after the pioneers used the BoW with different term weights to improve the representation [Junior andRossi 2017, Gôlo et al 2019] without the limitations presented above. Fi-nally, the BoW has limitations, such as high dimensionality and sparsity and inefficiency in the presence of synonyms and ambiguity.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…The studies have some limitations, such as the lack of k-fold cross-validation, the use of only one dataset, and the lack of statistical tests. In addition, other studies after the pioneers used the BoW with different term weights to improve the representation [Junior andRossi 2017, Gôlo et al 2019] without the limitations presented above. Fi-nally, the BoW has limitations, such as high dimensionality and sparsity and inefficiency in the presence of synonyms and ambiguity.…”
Section: Related Workmentioning
confidence: 99%
“…The learning process is more challenging for the OCL due to the lack of counterexamples, requiring more robust representations for text. Generally, studies use the traditional Bag-of-Words (BoW) technique Yousef 2007, Junior andRossi 2017]. Other studies explore dimensionality reduction techniques Ravi 2017b, Gôlo et al 2019].…”
Section: Introductionmentioning
confidence: 99%