Papers + Code

A Framework for Measuring and Benchmarking Fairness of Generative Crowd-Flow Models
Jiaqi He, Apoorva Sheera, Jack McFarland, Feiyang Wang, Manurag Khullar, Sakshi Chavan, Bernease Herman, Ekin Uğurel, Afra Mashhadi
ACM Journal on Computing and Sustainable Societies. 2025. [pdf] [code]

Beat the Morning Rush: Survival analysis-informed DNNs with collaborative filtering to predict precise departure times for home-to-work trips
Ekin Uğurel, Gaoang Wang
IEEE Open Journal of Intelligent Transportation Systems. 2025. [pdf]

Metropolitan Planning Organizations’ Uses of and Needs for Big Data
Ekin Uğurel, Xinhua Wu, Ryan Wang, Brian H. Lee, Cynthia Chen
Transport Findings. 2024. [pdf]

Learning to generate synthetic human mobility data: A physics-regularized Gaussian process approach based on multiple kernel learning
Ekin Uğurel, Shuai Huang, Cynthia Chen
Transportation Research Part B: Methodological. 2024. [pdf] [code]

Correcting Missingness in Passively-Generated Mobile Data with Multi-Task Gaussian Processes
Ekin Uğurel, Xiangyang Guan, Yanchao Wang, Shuai Huang, Ryan Wang, Cynthia Chen
Transportation Research Part C: Emerging Technologies. 2024. [pdf] [code]

Exploring biases in travel behavior patterns in big passively-generated mobile data from 11 U.S. cities
Yanchao Wang, Xiangyang Guan, Ekin Uğurel, Cynthia Chen, Shuai Huang, Qi “Ryan” Wang
Journal of Transport Geography. 2025. [pdf]

Uncovering Physics-regularized Data Generation Processes for Individual Human Mobility: A Multi-task Gaussian Process Approach based on Multiple Kernel Learning
Ekin Uğurel, Shuai Huang, Cynthia Chen
25th International Symposium on Transportation and Traffic Theory (ISTTT). 2024. Ann Arbor, MI. In proceedings. [pdf]

Incident detection from novel data sources: Leveraging satellite imagery alongside GPS traces
Ekin Uğurel, Steffen Coenen, Minda Zhou Chen, Cynthia Chen.
Preprint. 2023. [pdf][code]

Time-varying Transition Matrices with Multi-task Gaussian Processes
Ekin Uğurel
Preprint. 2023. [pdf]

COVID & Telecommuting Induced Changes in Individual Activity and Travel Patterns
Grace Jia, Kaitlyn Ng, Ekin Uğurel, Brian Lee, Ram Pendyala, Cynthia Chen
Preprint coming soon.

Understanding Transit Ridership Recovery Patterns with Two Perspectives: Rebounding from Rock Bottom or Proximity to pre-COVID Ridership
Arsalan Esmaili, Shakiba Naderian, Ekin Uğurel, Jeff Ban, Cynthia Chen
Preprint coming soon.

The Effects of Sparsity in Location-based Service Data on Derived Human Mobility Metrics
Xinhua Wu, Yanchao Wang, Ekin Uğurel, Shuai Huang, Cynthia Chen, Qi “Ryan” Wang
Preprint coming soon.