Engenharia de Controle e Automação
URI permanente desta comunidadehttps://ri.ifam.edu.br/handle/4321/970
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Item Análise de sentimentos no comércio online utilizando bertimbau para o português brasileiro(2024-03-19) Diniz , Paulo Henrique Barros; Rodrigues, Marlos André Silva; http://lattes.cnpq.br/0650250324042531; Rodrigues, Marlos André Silva; http://lattes.cnpq.br/0650250324042531; Santos, Alyson de Jesus dos; http://lattes.cnpq.br/5998752909180697; Martins, Gilbert BrevesThe digitalage,withitsrisinge-commerce,hastransformedthewayconsumersandbusinesses interact. Whileonlineshoppingoffersconvenienceandspeed,ithasalsocreatedaphysical barrier betweenconsumersandbusinesses.Thishasledtoagrowingneedforeffectivedigital communication methods.Onlinereviewshavebecomeanessentialtoolinthisprocess,acting as afeedbackbridgebetweenconsumersandbusinesses.Theopinionssharedonlinecarry considerable weight,directlyinfluencingthepurchasedecisionsofotherconsumers.Moreover, these commentsprovidevaluableinsightsforbusinessestoimprovetheirproductsandservices. Tomitigatethisdistancing,e-commerceplatformsencouragethesharingofopinionsandfeelings of usersaboutproducts,whichsignificantlyimpactsthepurchasingdecisionsofotherconsumers and providesvaluablefeedbackforbusinesses.Facedwiththevastquantityandvarietyof comments, thechallengeofanalyzingthemefficientlyarises.TheBERTimbaumodelemerges as asolution,offeringautomatedsentimentanalysisinBrazilianPortuguese.Experimental results demonstratetheeffectivenessofthemodel,withaccuraciesrangingbetween75%to88% depending onthecategorizationofsentimentsandtreatmentof3-starreviews.