Campanha Eleitoral Legal: Detecção de Propaganda Eleitoral e Ações Coordenadas de Campanha

Spreading electoral propaganda using Online Social Networks (OSNs) during elections is an important problem and novel approaches are necessary to mitigate its effects. The lack of automatic electoral propaganda detection supports candidates which makes true digital podiums have emerged for candidates to spread their ideas, fight opponents, and ask for votes during the pre-electoral period. In Brazil, it is prohibited by law to declare candidacy in a political election and to make any (explicit or implicit) request to vote ahead of time. In this context, this work presents a system named Campanha Eleitoral Legal to help the detection of this type of propaganda on X (formerly Twitter) adopted by Ministério Público de Minas Gerais (MPMG). Our system is able to collect, categorize, and highlight posts that contain a high probability of being electoral propaganda. Thus, this system can be great tool for Brazilian authorities