An, Suyeong, Junghoon Kim, Minsam Kim, and Juneyoung Park. 2022. “No Task Left Behind: Multi-Task Learning of Knowledge Tracing and Option Tracing for Better Student Assessment”. Proceedings of the AAAI Conference on Artificial Intelligence 36 (4):4424-31. https://doi.org/10.1609/aaai.v36i4.20364.