نتایج جستجو برای: humanitarian logistics robust optimization location and allocation problems p

تعداد نتایج: 17152371  

Journal: :IJSTM 2009
Erwin A. van der Laan Marisa P. de Brito Paul C. van Fenema S. C. Vermaesen

As the humanitarian aid sector is expanding, the need for enhancing coordination capabilities increases as well. This holds especially for the area of logistics, because humanitarian operations typically take place in unstable and risky environments, where infrastructure is poor, while staff turnover is high. The effectiveness of humanitarian logistics critically depends on the availability and...

Portfolio selection problem is one of the most important problems in finance. This problem tries to determine the optimal investment allocation such that the investment return be maximized and investment risk be minimized. Many risk measures have been developed in the literature until now; however, Conditional Drawdown at Risk is the newest one, which is a conditional risk value type problem. T...

2013
Kameshwaran Sampath Alfiya Tezabwala Alain Chabrier Julain Payne Fabio Tiozzo

Mining companies have complex supply chains that start from the mining location and stretch thousands of kilometers to the end customer in a different country and continent. The logistics of moving the materials from mines to ship is composed of series of optimization problems like berth allocation, ship scheduling, stockyard scheduling, and rail scheduling, which are individually NP-hard. In t...

Journal: :The Asian Journal of Shipping and Logistics 2013

2015
Rolando M. Tomasini

This paper aims to provide an overview of the key problems and perspectives to-ward a sustainable supply chain of HIV/AIDS related commodities. It is based on an extensive literature study, taking into account recent major reviews, and considering a wide range of different views from eminent experts worldwideMost research has focused on trying to implement and introduce humanitarian logistics a...

Journal: :بین المللی مهندسی صنایع و مدیریت تولید 0
a.h. shokouhi h. shahriari

optimization of maintenance resources to maximize the system availability is a major concern in different manufacturing systems. therefore, a lot of effort is put to construct optimization models to reach the maximum availability level and to reduce the costs of lack of availability. however, despite these efforts, data uncertainty in the real world problems was neglected in proposed models whi...

2016
Laura Laguna Salvadó Matthieu Lauras Tina Comes

The International Federation of the Red Cross and Red Crescent (IFRC), is one of the many humanitarian organizations that are further developing their logistics network more decentralized structures with sub-regional networks. One of the main challenges identified is the need of monitoring tools to have a real-time overview of the whole logistics network state, and optimization of the associate...

2015
Ching-Jung TING Kun-Chih WU

In this paper we consider a capacitated single allocation p-hub median problem (CSApHMP) which is to determine the location of p hubs, the allocation of non-hub nodes to hubs in the logistics network. This problem is formulated as an integer programming model with the objective of minimizing the sum of total transportation cost and fixed cost of the selected p hubs. Since the CSApHMP is NP-hard...

2013
Robert E. Overstreet Dianne Hall Joe B. Hanna R. Kelly Rainer

Purpose – The purpose of this paper is to provide future researchers with a framework for conducting research in the unique field of humanitarian logistics. Design/methodology/approach – The authors categorized humanitarian logistics research articles. Borrowing from the theory of constraints and management information systems literature, the authors developed a framework for research. Findings...

Jamal Shahrabi Maryam Javadi

The problems of facility location and the allocation of demand points to facilities are crucial research issues in spatial data analysis and urban planning. It is very important for an organization or governments to best locate its resources and facilities and efficiently manage resources to ensure that all demand points are covered and all the needs are met. Most of the recent studies, which f...

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