Ning Zhu

Distributional robustness and inequity mitigation in disaster preparedness of humanitarian operations

  • Hongming Li
  • Erick Delage
  • Ning Zhu
  • Michael Pinedo
  • Shoufeng Ma
    • Categories Multi-Criteria Optimization, Robust Optimization, Supply Chain Management Tags , , , ,

    We study a predisaster relief network design problem with uncertain demands. The aim is to determine the prepositioning and reallocation of relief supplies. Motivated by the call of the International Federation of Red Cross and Red Crescent Societies (IFRC) to leave no one behind, we consider three important practical aspects of humanitarian operations: shortages, equity, … Read more

    Robust Team Orienteering Problem with Decreasing Profits

  • Qinxiao Yu
  • Chun Cheng
  • Ning Zhu
    • Categories Applications - OR and Management Sciences

    This paper studies a robust variant of the team orienteering problem with decreasing profits (TOP-DP), where a fleet of vehicles are dispatched to serve customers with decreasing profits in a limited time horizon. The service times at customers are assumed to be uncertain, which are characterized by a budgeted uncertainty set. Our goal is to … Read more