All Outputs (11)

Stochastic Scheduling and Routing Decisions in Online Meal Delivery Platforms with Mixed Force (2024)
Journal Article
Zhao, Y., Alfandari, L., & Archetti, C. (online). Stochastic Scheduling and Routing Decisions in Online Meal Delivery Platforms with Mixed Force. European Journal of Operational Research, https://doi.org/10.1016/j.ejor.2024.11.028

This paper investigates stochastic scheduling and routing problems in the online meal delivery (OMD) service. The huge increase in meal delivery demand requires the service providers to construct a highly efficient logistics network to deal with a la... Read More about Stochastic Scheduling and Routing Decisions in Online Meal Delivery Platforms with Mixed Force.

Last-Mile Attended Home Healthcare Delivery: A Robust Strategy to Mitigate Cascading Delays and Ensure Punctual Services (2024)
Journal Article
Liu, M., Zhao, Y., & Xie, X. (in press). Last-Mile Attended Home Healthcare Delivery: A Robust Strategy to Mitigate Cascading Delays and Ensure Punctual Services. Production and Operations Management,

The attended home healthcare (AHH) industry is experiencing rapid growth due to the rising demand from an aging population and the potential benefits of alleviating pressures on traditional healthcare resources. However, ensuring timely one-on-one AH... Read More about Last-Mile Attended Home Healthcare Delivery: A Robust Strategy to Mitigate Cascading Delays and Ensure Punctual Services.

Unravelling the Carbon Emissions Compliance in Sustainable Supply Chains: The Impacts of Carbon Audit Cooperation (2024)
Journal Article
Fu, H., Lei, Y., Zhang, S., Zhao, K., & Zhao, Y. (2024). Unravelling the Carbon Emissions Compliance in Sustainable Supply Chains: The Impacts of Carbon Audit Cooperation. Omega, 129, Article 103143. https://doi.org/10.1016/j.omega.2024.103143

As one of the 17 Sustainable Development Goals, reducing carbon emissions is crucial to combat climate change. It has also prompted companies to comply with emission regulations and evaluate the environmental impacts of their supply chains. Yet, news... Read More about Unravelling the Carbon Emissions Compliance in Sustainable Supply Chains: The Impacts of Carbon Audit Cooperation.

Unified framework for choice-based facility location problem (2024)
Journal Article
Hui Lin, Y., Tian, Q., & Zhao, Y. (2024). Unified framework for choice-based facility location problem. INFORMS Journal on Computing, https://doi.org/10.1287/ijoc.2022.0366

The choice-based facility location (CBFL) problem arises in various industrial and business contexts. The problem stands on a decentralized perspective: Companies set up chains of facilities, and customers determine from which chain or facility to se... Read More about Unified framework for choice-based facility location problem.

Market Thickness in Online Food Delivery Platforms: The Impact of Food Processing Times (2024)
Journal Article
Zhao, Y., Papier, F., & Teo, C. (2024). Market Thickness in Online Food Delivery Platforms: The Impact of Food Processing Times. Manufacturing & Service Operations Management, 26(3), 853-872. https://doi.org/10.1287/msom.2021.0354

Problem definition: Online food delivery (OFD) platforms have witnessed rapid global expansion, partly driven by shifts in consumer behavior during the COVID-19 pandemic. These platforms enable customers to order food conveniently from a diverse arra... Read More about Market Thickness in Online Food Delivery Platforms: The Impact of Food Processing Times.

Synchronized Deliveries with a Bike and a Self-Driving Robot (2023)
Journal Article
Zhao, Y., Cattaruzza, D., Kang, N., & Roberti, R. (2024). Synchronized Deliveries with a Bike and a Self-Driving Robot. Transportation Science, 58(1), 219–239. https://doi.org/10.1287/trsc.2023.0169

Online e-commerce giants are continuously investigating innovative ways to improve their practices in last-mile deliveries. Inspired by the current practices at JD.com (the largest online retailer by revenue in China), we investigate a delivery probl... Read More about Synchronized Deliveries with a Bike and a Self-Driving Robot.

Continuity-skill-restricted Scheduling and Routing Problem: Formulation, Optimization and Implications (2023)
Journal Article
Liu, M., Zhao, Y., & Xie, X. (2024). Continuity-skill-restricted Scheduling and Routing Problem: Formulation, Optimization and Implications. IISE Transactions, 56(2), 201-220. https://doi.org/10.1080/24725854.2023.2215843

As the aging population grows, the demand for long-term continuously attended home healthcare (AHH) services has increased significantly in recent years. AHH services are beneficial since they not only alleviate the pressure on hospital resources, bu... Read More about Continuity-skill-restricted Scheduling and Routing Problem: Formulation, Optimization and Implications.

Locating Facilities under Competition and Market Expansion: Formulation, Optimization, and Implications (2022)
Journal Article
Lin, Y. H., Tian, Q., & Zhao, Y. (2022). Locating Facilities under Competition and Market Expansion: Formulation, Optimization, and Implications. Production and Operations Management, 31(7), 3021-3042. https://doi.org/10.1111/poms.13737

As the ongoing battle between brick-and-mortar stores and e-commerce shops escalates, managers of the former are becoming more cautious regarding their strategic store site selection and decoration decisions, particularly if foreseeable competition f... Read More about Locating Facilities under Competition and Market Expansion: Formulation, Optimization, and Implications.

A branch-and-cut algorithm for the Edge Interdiction Clique Problem (2021)
Journal Article
Furini, F., Ljubic, I., San Segundo, P., & Zhao, Y. (2021). A branch-and-cut algorithm for the Edge Interdiction Clique Problem. European Journal of Operational Research, 294(1), 54-69. https://doi.org/10.1016/j.ejor.2021.01.030

Given a graph G and an interdiction budget k∈N, the Edge Interdiction Clique Problem (EICP) asks to find a subset of at most k edges to remove from G so that the size of the maximum clique, in the interdicted graph, is minimized. The EICP belongs to... Read More about A branch-and-cut algorithm for the Edge Interdiction Clique Problem.

Design of diversified package tours for the digital travel industry : A branch-cut-and-price approach (2020)
Journal Article
Zhao, Y., & Alfandari, L. (2020). Design of diversified package tours for the digital travel industry : A branch-cut-and-price approach. European Journal of Operational Research, 285(3), 825-843. https://doi.org/10.1016/j.ejor.2020.02.020

Motivated by the revolution brought by the internet and communication technology in daily life, this paper examines how the online travel agencies (OTA) can use these technologies to improve customer value. We consider the design of a fixed number of... Read More about Design of diversified package tours for the digital travel industry : A branch-cut-and-price approach.

Risk management on joint product development with power asymmetry between supplier and manufacturer (2015)
Journal Article
Zhao, Y., & Cao, H. (2015). Risk management on joint product development with power asymmetry between supplier and manufacturer. International Journal of Project Management, 33(8), 1812-1826. https://doi.org/10.1016/j.ijproman.2015.08.008

Risk management is a critical issue in complex product development, especially when suppliers are integrated. The power asymmetry between the supplier and manufacturer may largely influence the development process and affect the occurrence and intera... Read More about Risk management on joint product development with power asymmetry between supplier and manufacturer.