Zhang B, Yang R, Cai D, Zhang X, Wang H, Zheng Z, et al. Enhancing Online Learning Community Discovery through Graph Neural Networks and Data Optimization. Comput. Inform. [Internet]. 2026 Oct. 31 [cited 2026 Nov. 1];45(5). Available from: http://147.213.75.17/ojs/index.php/cai/article/view/7487