Chen, Wen, Minhe Ji, and Jianmei Wang. 2014. “T-DBSCAN: A Spatiotemporal Density Clustering for GPS Trajectory Segmentation”. International Journal of Online and Biomedical Engineering (iJOE) 10 (6):pp. 19-24. https://doi.org/10.3991/ijoe.v10i6.3881.