@inproceedings{ijcai2026p573,
  title     = {Beyond Sequences: A Dynamic Hierarchical Heterogeneous Spatio-Temporal Graph for Irregular Multivariate Time Series Forecasting},
  author    = {Yan, Xiaowei and Li, Zhuo and Zhang, Junjie and Li, Bing and Yan, Jun and Tang, Buzhou},
  booktitle = {Proceedings of the Thirty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-26}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  editor    = {Diego Calvanese},
  pages     = {5146--5154},
  year      = {2026},
  month     = {8},
  note      = {Main Track},
  doi       = {10.24963/ijcai.2026/573},
  url       = {https://doi.org/10.24963/ijcai.2026/573},
}