Análise de Métodos de Extração de Aspectos em Opiniões Regulares
Palavras-chave:
Mineração de Opinião, Análise de Sentimentos, Extração de AspectosResumo
Um sistema de Mineração de Opinião consiste de identificação, classificação e sumarização de descrições textuais de consumidores sobre produtos e serviços. Este trabalho apresenta uma análise comparativa entre as principais abordagens usadas na tarefa de Extração de Aspectos em comentários sobre produtos e serviços em web sites. Neste artigo foram implementadas adaptações de quatro métodos de extração de aspectos e avaliados em dois Corpora distintos: um em português e outro em inglês. Nos experimentos realizados foi observado que o método usando aprendizagem supervisionada (redes neurais convolucionais) obteve melhores resultados que os demais.Downloads
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