摘要:For the seventh time, EDM 2021 held a Journal track allowing papers submitted to JEDM to be presented at the conference. A summary was included in the EDM 2021 proceedings, and the full texts are included in this Special Issue of the Journal of Educational Data Mining (JEDM). The JEDM Track at EDM 2021 received 7 submissions, among which 3 made it to the final stage in time for publication. We are pleased to publish the following works in this issue.