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Revista Cubana de Información en Ciencias de la Salud

versão On-line ISSN 2307-2113

Resumo

RODRIGUEZ SANCHEZ, Antonio; RIVERO GONZALEZ, Luis Manuel  e  SOCA LOZANO, Sandra. Sentiment and topics analysis about the cuban vaccines Soberana 02 and Abdala on Twitter. Rev. cuba. inf. cienc. salud [online]. 2023, vol.34  Epub 30-Maio-2023. ISSN 2307-2113.

Sentiment analysis or opinion mining is a branch of computing that allows analyzing opinions, feelings and emotions in certain areas of social interest such as products, services, organizations, companies, events and topics of current interest. In this sense, the objective of this paper was to identify the feelings and topics present in the tweets mentioning the Cuban vaccines Soberana 02 and Abdala on Twitter social network. The programming languages Python and R with their specific libraries for data science were chosen. The first part of the study, which ranged from web scraping to the quantification of the most used words, was carried out with Python and the libraries tweepy, pandas, re, nltk and matplotlib. While the second, which was the sentiment analysis and topic detection, was implemented with R and used tokenizers, tm, syuzhet, topic modeling, tidyverse, barplot, and wordcloud. It was obtained that among the terms with which there is more dialogue on Twitter are doses, vaccines, efficacy, Cubans, candidates, millions, country, people, received and population. In the tweets, the predominant emotions were fear and confidence, slightly above it; in the polarity, the positive one predominated, as an expression of the lived context in which the vaccination campaign was developed. A consensus can be perceived around the vaccines Soberana 02 and Abdala, from the identified topics and the terms that were related to the predominant emotions, as well as the polarity.

Palavras-chave : sentiment analysis; topics; natural language processing; Twitter; vaccines.

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