Weng, Lilian, and Thomas Lento. “Topic-Based Clusters in Egocentric Networks on Facebook”. Proceedings of the International AAAI Conference on Web and Social Media 8, no. 1 (May 16, 2014): 623-626. Accessed February 2, 2023. https://ojs.aaai.org/index.php/ICWSM/article/view/14577.