Peng, Weiping, Di Ma, Cheng Song, Daochen Cheng, and Jiabao Liu. “Retraction Notice: A K-Anonymous Location Privacy-Preserving Scheme for Mobile Terminals”. EAI Endorsed Transactions on e-Learning 11 (March 27, 2026). Accessed April 1, 2026. https://publications.eai.eu/index.php/el/article/view/12228.