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I will be presenting at the 2025 INFORMS Annual Meeting. I kindly invite you to attend my talk! (Please see the start page for more infomation)
Transit and routing services are essential for fostering sustainable and equitable communities by enhancing social mobility, which is a key measure of quality of life. Modern transit, integrated with multimodal networks, improves first- and last-mile connectivity and access to vital services like groceries and healthcare. Routing services enable more efficient business operations, supporting the supply of services that sustain daily life. Together, optimized transit and routing systems promote individual well-being, advance social welfare, and help prevent marginalization, creating a positive cycle of benefits for society as a whole.
Multi-Commodity Service Provisions and Dispatching
Multi-Commodity Service Provisions and Dispatching
I develop an integer programming model to represent operational requirements of various businesses that rely on resources from multiple sources delivered sequentially or at specific times (e.g., for restocking or for perishable goods).
The Serviceman Problem (SP)
Multi-commodity service and routing
Combinatorial optimization
Greedy heuristic
The Serviceman Problem: Planning Multi-period Service Provision and Dispatching Operations, Jisoon Lim, Iason Liagkas, and Neda Masoud (In preparation)
Equitable Transit Design
Equitable Transit Design
I explore challenges from small, rural cities in the U.S. that are often overlooked in transit planning due to their expansive geography and low demand, which make traditional transit unscalable and cost-inefficient.
Transit equity
Aggregation-Disaggregation method
Bayesian optimization
A Bayesian-Guided Aggregation-Disaggregation Algorithm for Transit Planning, Golbarg Dokhani, Jisoon Lim, Neda Masoud, Yiyang Wang, and Amirmahdi Tafreshian, The 105th TRB Annual Meeting (submitted for presentation)
Incentive Program for Urban Air Mobility
Incentive Program for Urban Air Mobility
I design a pricing mechanism that encourages new groups of customers to participate in multimodal journeys that include a UAM segment, thereby allowing the fleet operators to realize increased demand.
UAM commercialization
Ground-Air integrated multimodal transportation
Incentive program
Value-of-time (VoT)
Urban Air Mobility Incentive Pricing for Ground-Air Integrated Multimodal Transportation, Jisoon Lim, Max Z. Li, and Neda Masoud (In preparation)
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