Mao, X., Wan, H., Wen, H., Wu, F., Zheng, J., Qiang, Y., Guo, S., Wu, L., Hu, H., & Lin, Y. (2024). GMDNet: A Graph-Based Mixture Density Network for Estimating Packages’ Multimodal Travel Time Distribution. Proceedings of the AAAI Conference on Artificial Intelligence, 37(4), 4561-4568. https://doi.org/10.1609/aaai.v37i4.25578 (Original work published June 26, 2023)