Nallapati, Ramesh, and William Cohen. “Link-PLSA-LDA: A New Unsupervised Model for Topics and Influence of Blogs”. Proceedings of the International AAAI Conference on Web and Social Media 2, no. 1 (September 25, 2021): 84-92. Accessed May 23, 2022. https://ojs.aaai.org/index.php/ICWSM/article/view/18621.