Sung, Juyup, Jae-Gil Lee, and Uichin Lee. “Booming Up the Long Tails: Discovering Potentially Contributive Users in Community-Based Question Answering Services”. Proceedings of the International AAAI Conference on Web and Social Media 7, no. 1 (August 3, 2021): 602-610. Accessed April 18, 2024. https://ojs.aaai.org/index.php/ICWSM/article/view/14387.