期刊论文

Jianwen Sun

英文

Expert Systems with Applications

0957-4174

2021

177

114935

10.1016/j.eswa.2021.114935

This research is financially supported by the National Natural Science Foundation of China (62077021, 61977030, 62077018, 61977032), the Humanity and Social Science Youth Foundation of Ministry of Education of China (20YJC880083), the Self-determined Research Funds of CCNU from the Colleges’ Basic Research and Operation of MOE (CCNU20ZN007), and the National Key R&D Program of China (2017YFB1401303). Thanks to the DNC code referred to this GitHub repository, 1 1 ASSISTments2009 dataset, 2 2 ASSISTments2015 dataset, 3 3 ASSISTments2017 dataset, 4 4 and Statics2011 dataset. 5 5 We would like to thank Shengyingjie Liu and Jianpeng Zhou for assistance in advice.

本校为第一机构

Knowledge Tracing (KT) is a task to acquire students’ mastery level of skills based on their performance in learning process. The existing KT models have gradually achieved improvements in prediction performance. However, they do not well simulate working memory and long-term memory in human memory mechanism, which is closely related to learning process. In our paper, we propose a Hierarchical Memory Network (HMN) to fit human memory mechanism better in KT. The hierarchical memory, an essential component of HMN, is achieved by an external memo...