Liu, Zhen, Qianli Ma, Peitian Ma, and Linghao Wang. “Temporal-Frequency Co-Training for Time Series Semi-Supervised Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 7 (June 26, 2023): 8923-8931. Accessed March 2, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/26072.