Laman, Haluk, Shamsunnahar Yasmin, and Naveen Eluru. “Using Location-Based Social Network Data for Activity Intensity Analysis: A Case Study of New York City”. Journal of Transport and Land Use 12, no. 1 (October 9, 2019). Accessed October 1, 2020. https://www.jtlu.org/index.php/jtlu/article/view/1470.