P. He, Y. Sun, G. Jiang, and S.-K. Lam, “Predicting Travel Time of Bus Journeys with Alternative Bus Services,” in Proceedings of the 2019 IEEE International Conference on Data Mining Workshops, ICDM Workshops 2019, Beijing, China: IEEE, Nov. 2019, pp. 114–123, DOI: 10.1109/ICDMW.2019.00027.