Guerra, P., R. Nalon, R. Assunção, and W. Meira Jr. “Antagonism Also Flows Through Retweets: The Impact of Out-of-Context Quotes in Opinion Polarization Analysis”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 11, no. 1, May 2017, pp. 536-9, https://ojs.aaai.org/index.php/ICWSM/article/view/14971.