11 papers
Promoting Fair Online Resource Allocation with Indivisible Units
Igor Averbakh, Hongyi Jiang, Samitha Samaranayake +2
Allocating scarce, indivisible resources to diverse groups under uncertainty is a central challenge in operations research, where efficiency-focused methods often underserve margin…
MoveOD: Synthesizing Origin-Destination Commute Distribution from U.S. Census Data
Rishav Sen, Jose Paolo Talusan, Abhishek Dubey +3
High-resolution origin-destination (OD) tables are essential for a wide spectrum of transportation applications, from modeling traffic and signal timing optimization to congestion…
Approximation Algorithms for Line Planning with Heterogeneous Fleets and Multiple Resource Constraints
Hongyi Jiang, Igor Averbakh, Samitha Samaranayake
This paper studies line planning for urban bus networks that face multiple resource limits such as budget, labor, and emission caps while using heterogeneous fleets. The objective…
Dynamic Vehicle Routing Problem with Prompt Confirmation of Advance Requests
Amutheezan Sivagnanam, Ayan Mukhopadhyay, Samitha Samaranayake +2
Transit agencies that operate on-demand transportation services have to respond to trip requests from passengers in real time, which involves solving dynamic vehicle routing proble…
Column Generation for the Micro-Transit Zoning Problem
Hins Hu, Rishav Sen, Jose Paolo Talusan +3
Along with the rapid development of new urban mobility options like ride-sharing over the past decade, on-demand micro-transit services stand out as a middle ground, bridging the g…
From Accessibility to Allocation: An Integrated Workflow for Land-Use Assignment and FAR Estimation
Yue Sun, Ryan Weightman, Yang Yang +3
Urban land use and building intensity are often planned without a direct, auditable link to network accessibility, limiting ex-ante policy evaluation. This study asks whether multi…