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Measuring the Degree of Divergence when Labeling Tweets in the Electoral Scenario
Author(s) -
Jéssica S. Santos,
Flávia Bernardini,
Aline Paes
Publication year - 2021
Language(s) - English
Resource type - Conference proceedings
DOI - 10.5753/brasnam.2021.16131
Subject(s) - divergence (linguistics) , annotation , computer science , social media , sentiment analysis , degree (music) , process (computing) , field (mathematics) , point (geometry) , presidential election , presidential system , kullback–leibler divergence , exploratory analysis , data science , information retrieval , artificial intelligence , politics , political science , world wide web , mathematics , linguistics , philosophy , physics , geometry , acoustics , pure mathematics , operating system , law
Analyzing electoral trends in political scenarios using social media with data mining techniques has become popular in recent years. A problem in this field is to reliably annotate data during the short period of electoral campaigns. In this paper, we present a methodology to measure labeling divergence and an exploratory analysis of data related to the 2018 Brazilian Presidential Elections. As a result, we point out some of the main characteristics that lead to a high level of divergence during the annotation process in this domain. Our analysis shows a high degree of divergence mainly in regard to sentiment labels. Also, a significant difference was identified between labels obtained by manual annotation and labels obtained using an automatic annotation approach.

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