Analysing these figures, a negative trend can be noted regarding the word democracy (“ democracia ”) (see Figure 4 a), probably as a result of the social problems associated with the dramatic reduction in the fundamental rights caused by the successive restrictions imposed by the government.
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Detecting Emotional Evolution on Twitter during the COVID-19 Pandemic Using Text Analysis.
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The sentences
As for the word sentiment values, some of them exhibit fluctuations over time, therefore missing a clear trend towards positive or negative value regions.