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59 records from EconBiz based on author Name
1. Genetic algorithms with neural cost predictor for solving hierarchical vehicle routing problems
Sobhanan, Abhay; Park, Junyoung; Park, Jinkyoo; Kwon, Changhyun;2025
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link Link
2. A neural separation algorithm for the rounded capacity inequalities
Kim, Hyeonah; Park, Jinkyoo; Kwon, Changhyun;2024
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link Link
3. A hybrid genetic algorithm for the min-max multiple traveling salesman problem
Mahmoudinazlou, Sasan; Kwon, Changhyun;2024
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link Link
4. A hybrid genetic algorithm with type-aware chromosomes for Traveling Salesman Problems with Drone
Mahmoudinazlou, Sasan; Kwon, Changhyun;2024
Type: Aufsatz in Zeitschrift; Article in journal;
Availability:
Link 5. An adaptive large neighborhood search method for rebalancing free-floating electric vehicle sharing systems
Liu, Xufei; Kim, Sang Won; Kwon, Changhyun;2023
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link
Citations: 1 (based on OpenCitations)
6. Creating grocery delivery hubs for food deserts at local convenience stores via spatial and temporal consolidation
Haider, Zulqarnain; Hu, Yujie; Charkhgard, Hadi; Himmelgreen, David; Kwon, Changhyun;2022
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link
Citations: 3 (based on OpenCitations)
7. Creating Grocery Delivery Hubs for Food Deserts at Local Convenience Stores via Spatial and Temporal Consolidation
abstractFor many socioeconomically disadvantaged customers living in food deserts, the high costs and minimum order size requirements make attended grocery deliveries financially non-viable, although it has potential to provide healthy foods to the food insecure population. This paper proposes consolidating customer orders and delivering to a neighborhood convenience store instead of home delivery. We employ an optimization framework involving the minimum cost set covering and the capacitated vehicle routing problems. Our experimental studies in three counties in the U.S. suggest that by spatial and temporal consolidation of orders, the deliverer can remove minimum order-size requirements and reduce the delivery costs, depending on various factors, compared to attended home-delivery. We find the number and size of time windows for home delivery to be the most important factor in achieving temporal consolidation benefits. Other significant factors in achieving spatial consolidation include the capacity of delivery vehicles, the number of depots, and the number of customer orders. We also find that the number of partner convenience stores and the walkable distance parameter of the model, have a significant impact on the number of accepted orders, i.e., the service level provided by the deliverer. The findings of this study imply consolidated grocery delivery as a viable solution to improve fresh food access in food deserts. In light of the recent global pandemic, and its exacerbating effects on food insecurity, the innovative solution proposed in this paper is even more relevant and timely
Haider, Zulqarnain; Hu, Yujie; Charkhgard, Hadi; Himmelgreen, David; Kwon, Changhyun;2020
Availability: Link Link
Citations: 2 (based on OpenCitations)
8. Pessimistic evasive flow capturing problems
Bogyrbayeva, Aigerim; Kwon, Changhyun;2021
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link
Citations: 1 (based on OpenCitations)
9. Medical waste collection considering transportation and storage risk
Taslimi, Masoumeh; Batta, Rajan; Kwon, Changhyun;2020
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link
Citations: 36 (based on OpenCitations)
10. On the price of satisficing in network user equilibria
Takalloo, Mahdi; Kwon, Changhyun;2020
Type: Aufsatz in Zeitschrift; Article in journal;
Availability: Link
Citations: 3 (based on OpenCitations)