Ting, I-Hsien, Shyue-Liang Wang, and Po-Jen Chen. “Key Users and Box Office Analysis in an Interest Based Virtual Community”. Computing and Informatics 33, no. 3 (February 4, 2015): 570–590. Accessed November 8, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2218.