TY - JOUR AU - Recuero, Raquel AU - Soares, Felipe Bonow AU - Gruzd, Anatoliy PY - 2020/05/26 Y2 - 2024/03/29 TI - Hyperpartisanship, Disinformation and Political Conversations on Twitter: The Brazilian Presidential Election of 2018 JF - Proceedings of the International AAAI Conference on Web and Social Media JA - ICWSM VL - 14 IS - 1 SE - Full Papers DO - 10.1609/icwsm.v14i1.7324 UR - https://ojs.aaai.org/index.php/ICWSM/article/view/7324 SP - 569-578 AB - <p>This paper examines the role of hyperpartisanship and polarization on Twitter during the 2018 Brazilian Presidential Election. Based on a mixed-methods approach, we collected and analyzed a dataset of over 8 million tweets about Jair Bolsonaro, a far-right candidate from the Social Liberty Party. Our results show that there is a strong connection between polarization, hyperpartisanship and disinformation. As the centrality of hyperpartisan outlets on Twitter grew, more traditional media outlets became less central and conversations became more polarized. We also confirmed that hyperpartisan outlets often shared disinformation or biased information, presented as a “truth-telling” alternative to journalistic outlets. And while disinformation was more frequently observed in the far-right group, it was also present in the anti-Bolsonaro cluster, especially towards the runoff period.</p> ER -