Spiro, Emma, J. Nathan Matias, and Andres Monroy-Hernandez. “Networks of Gratitude: Structures of Thanks and User Expectations in Workplace Appreciation Systems”. Proceedings of the International AAAI Conference on Web and Social Media 10, no. 1 (August 4, 2021): 358-367. Accessed April 27, 2024. https://ojs.aaai.org/index.php/ICWSM/article/view/14737.