Sheng, Li Lian. “Fractal-Based Outlier Detection Algorithm over RFID Data Streams”. International Journal of Online and Biomedical Engineering (iJOE) 12, no. 01 (January 18, 2016): pp. 35–41. Accessed April 24, 2024. https://online-journals.org/index.php/i-joe/article/view/5171.