Peng, Shimeng, Lujie Chen, Chufan Gao, and Richard Jiarui Tong. 2020. “Predicting Students’ Attention Level With Interpretable Facial and Head Dynamic Features in an Online Tutoring System (Student Abstract)”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (10):13895-96. https://doi.org/10.1609/aaai.v34i10.7220.