Wang, Muyao, Wenchao Chen, and Bo Chen. “Considering Nonstationary Within Multivariate Time Series With Variational Hierarchical Transformer for Forecasting”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 14 (March 24, 2024): 15563–15570. Accessed May 13, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/29483.