SentiProdBR: Building Domain-Specific Sentiment Lexicons for the Portuguese Language

  • Tiago de Melo Universidade do Estado do Amazonas (UEA)

Resumo


Online reviews are readily available on the Web and widely used for decision-making. However, only a few studies on Portuguese sentiment analysis are reported due to the lack of resources including domain-specific sentiment lexical collections. In this paper, we present an effective methodology using probabilities of the Bayes’ Theorem for building a set of lexicons, called SentiProdBR, for 10 different product categories for the Portuguese language. Experimental results indicate that our methodology significantly outperforms several alternative approaches of building domain-specific sentiment lexicons.
Palavras-chave: Sentiment Lexicons, Sentiment Analysis, Natural Language Processing

Referências

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Publicado
04/10/2021
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DE MELO, Tiago. SentiProdBR: Building Domain-Specific Sentiment Lexicons for the Portuguese Language. In: SIMPÓSIO BRASILEIRO DE BANCO DE DADOS (SBBD), 36. , 2021, Rio de Janeiro. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2021 . p. 349-354. ISSN 2763-8979. DOI: https://doi.org/10.5753/sbbd.2021.17897.