Zhou, H., S. Zhang, J. Peng, S. Zhang, J. Li, H. Xiong, and W. Zhang. “Informer: Beyond Efficient Transformer for Long Sequence Time-Series Forecasting”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 12, May 2021, pp. 11106-15, https://ojs.aaai.org/index.php/AAAI/article/view/17325.