Tachaiya, Jakapun, Joobin Gharibshah, Kevin E. Esterling, and Michalis Faloutsos. “RAFFMAN: Measuring and Analyzing Sentiment in Online Political Forum Discussions With an Application to the Trump Impeachment”. Proceedings of the International AAAI Conference on Web and Social Media 15, no. 1 (May 22, 2021): 703-713. Accessed September 28, 2022. https://ojs.aaai.org/index.php/ICWSM/article/view/18096.