Pal, Aditya, Shuo Chang, and Joseph Konstan. “Evolution of Experts in Question Answering Communities”. Proceedings of the International AAAI Conference on Web and Social Media 6, no. 1 (August 3, 2021): 274-281. Accessed February 1, 2023. https://ojs.aaai.org/index.php/ICWSM/article/view/14262.