Park, Kunwoo, Haewoon Kwak, Jisun An, and Sanjay Chawla. “How-to Present News on Social Media: A Causal Analysis of Editing News Headlines for Boosting User Engagement”. Proceedings of the International AAAI Conference on Web and Social Media 15, no. 1 (May 22, 2021): 491-502. Accessed August 18, 2022. https://ojs.aaai.org/index.php/ICWSM/article/view/18078.