Zhang, Bo, Ya Zhang, Yanhong Bai, Jie Lian, and Meizi Li. “Multi-Dimensional Recommendation Scheme for Social Networks Considering a User Relationship Strength Perspective”. COMPUTING AND INFORMATICS 39, no. 1-2 (February 29, 2020): 105–140. Accessed April 24, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/2020_1-2_105.