Wei Tong, Shiwei Tong, Wei Huang, Liyang He, Jianhui Ma, Qi Liu, Enhong Chen. Exploiting Knowledge Hierarchy for Finding Similar Exercises in Online Education Systems. In Claudia Plant, Haixun Wang, Alfredo Cuzzocrea, Carlo Zaniolo, Xindong Wu 0001, editors, 20th IEEE International Conference on Data Mining, ICDM 2020, Sorrento, Italy, November 17-20, 2020. pages 1298-1303, IEEE, 2020. [doi]
Abstract is missing.