Publications

Publication portfolio

Human mobility data, AI-enabled modeling, and policy evidence for transportation systems.

My publication portfolio spans mobility data systems, AI and big data, travel behavior, simulation, safety and health, and climate and equity. The topic counts below use my Google Scholar profile as the public discovery anchor and open-indexed metadata to classify works by title, venue, and abstract signals. Categories are not mutually exclusive.

Google Scholar ORCID

100+publications

131open-indexed records reviewed

6research themes

How to read this page. Counts are multi-label theme counts based on open scholarly metadata available in October 2026; a single paper can appear in more than one theme. Representative works are selected for citation signal and high-impact venues such as PNAS, Transportation Research Part C/A/E, Transportation Science, Scientific Reports, Journal of Transport Geography, Sustainable Cities and Society, and Vaccine.

Mobility Data

90 works

Large-scale mobile device, OD-flow, activity, and multimodal travel datasets for measuring how people move.

Mobile device data reveal the dynamics in a positive relationship between human mobility and COVID-19 infectionsPNAS, 2020 · 331 citations
A data-driven travel mode share estimation framework based on mobile device location dataTransportation, 2021 · 42 citations
National-Level Multimodal Origin-Destination Estimation Based on Passively Collected Location Data and Machine Learning MethodsTRR, 2023 · national OD analytics

Mobility big data visual with multimodal trips, LBS sightings, and trip attractions

AI + Big Data

35 works

Machine learning, explainable AI, forecasting, Bayesian models, and big-data frameworks for mobility systems.

A big-data driven approach to analyzing and modeling human mobility trend under non-pharmaceutical interventionsTransportation Research Part C, 2021 · 177 citations
Examining nonlinearity in population inflow estimation using big dataTransportation Research Part A, 2023 · 53 citations
High-dimensional population inflow time series forecasting via an interpretable hierarchical transformerTransportation Research Part C, 2022 · 28 citations

Travel Behavior

43 works

Behavioral models of mode choice, car ownership, departure time, disruption response, and incentive programs.

A High-Order Hidden Markov Model and Its Applications for Dynamic Car Ownership AnalysisTransportation Science, 2018 · high-impact methods venue
An integrated and personalized traveler information and incentive scheme for energy efficient mobility systemsTransportation Research Part C, 2019 · 65 citations
The analysis of dynamic travel mode choice: a heterogeneous hidden Markov approachTransportation, 2015 · 47 citations

Simulation

33 works

Agent-based modeling, microscopic simulation, dynamic traffic assignment, and scenario optimization.

Joint optimization of vehicle trajectories and intersection controllers with connected automated vehiclesTransportation Research Part C, 2018 · 256 citations
AgBM-DTALite: An integrated modelling system of agent-based travel behaviour and transportation network dynamicsTravel Behaviour and Society, 2017 · 38 citations
Integrating an Agent-Based Travel Behavior Model with Large-Scale Microscopic Traffic SimulationJournal of Urban Planning and Development, 2012 · 30 citations

South Africa mobility and settlement map

Safety + Health

35 works

Mobility-health linkages, COVID-19 dynamics, EMS/trauma analytics, crash risk, and public health evidence.

Mobile device data reveal the dynamics in a positive relationship between human mobility and COVID-19 infectionsPNAS, 2020 · 331 citations
Quantifying human mobility behaviour changes during the COVID-19 outbreak in the United StatesScientific Reports, 2020 · 122 citations
COVID-19 vaccine hesitancy cannot fully explain disparities in vaccination coverage across the contiguous United StatesVaccine, 2022 · 39 citations

Climate + Equity

19 works

Equity, access, emissions, resilience, disaster mobility, transit deserts, and market-based sustainability programs.

Examining spatiotemporal evolution of racial/ethnic disparities in human mobility and COVID-19 health outcomesSustainable Cities and Society, 2021 · 46 citations
Carbon credit in travel demand management: an incentive-based framework for emission reductionTransportation Research Part D, 2025 · climate policy
Tradable Equity Credits for public transit: a dynamic pricing approach for heterogeneous travelersTransportation Research Part E, 2026 · equity mechanism design