sentiment analysis
US /ˈsen.tɪ.mənt əˈnæl.ə.sɪs/
UK /ˈsen.tɪ.mənt əˈnæl.ə.sɪs/

1.
análise de sentimento
the process of computationally identifying and categorizing opinions expressed in a piece of text, especially in order to determine the writer's attitude toward a particular topic, product, etc.
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Our marketing team uses sentiment analysis to gauge customer reactions to new product launches.
Nossa equipe de marketing usa a análise de sentimento para avaliar as reações dos clientes aos lançamentos de novos produtos.
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Advanced sentiment analysis models can detect sarcasm and irony in text.
Modelos avançados de análise de sentimento podem detectar sarcasmo e ironia no texto.