نتایج جستجو برای: location transportation problems

تعداد نتایج: 844150  

2012
Sibel A. Alumur Bahar Y. Kara Oya E. Karasan

Through observations from real life hub networks, we introduce the multimodal hub location and hub network design problem. We approach the hub location problem from a network design perspective. In hub network design problem, we jointly consider transportation costs and travel times, which are studied separately in most hub location problems presented in the literature. We allow different trans...

Journal: :Journal of Mathematical Analysis and Applications 1982

Journal: :Computers & OR 2012
Alejandro Rodríguez Rubén Ruiz

The routing of vehicles on road transportation networks is an area of great importance to transportation planners within scientific literature. This field includes well known and studied problems like traveling salesman problems or TSP or the more realistic asymmetric variant or ATSP, whose applications extend to other areas of transport and operations research. This work studies the effect tha...

2009
Jesus Gonzalez-Feliu

Freight transportation constitutes one of the main activities that influences economy and society, as it assures a vital link between suppliers and customers and is represents a major source of employment. Multi-echelon distribution is one of the most common strategies adopted by the transportation companies in an aim of cots reduction. Although vehicle routing problems are very common in opera...

1998
Teodor Gabriel Crainic

We present the main freight transportation planning and management issues, brie y review the associated literature, describe a number of major developments, and identify trends and challenges. In order to keep the length of the paper within reasonable limits, we focus on long-haul, intercity, freight transportation. Optimization-based operations research methodologies are privileged. The paper ...

2005
Retsef Levi Joseph Geunes H. Edwin Romeijn David B. Shmoys

We consider important generalizations of a wide class of traditional deterministic inventory and facility location models that we call inventory/facility location models with market selection. Instead of the traditional setting, we are given a set of markets, each specified by a sequence of demands and associated with a revenue. Decisions are made in two stages. We first make a decision of what...

Journal: :Discrete Applied Mathematics 1995

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