The accessibility arc upgrading problem

Autor: Sofie Coene, Peter Goos, Frits C. R. Spieksma, Pablo Andrés Maya Duque, Kenneth Sörensen
Přispěvatelé: Econometrics
Jazyk: angličtina
Rok vydání: 2013
Předmět:
Zdroj: European journal of operational research
European Journal of Operational Research, 224(3), 458-465. Elsevier
ISSN: 0377-2217
DOI: 10.1016/j.ejor.2012.09.005
Popis: The accessibility arc upgrading problem (AAUP) is a network upgrading problem that arises in real-life decision processes such as rural network planning. In this paper, we propose a linear integer programming formulation and two solution approaches for this problem. The first approach is based on the knapsack problem and uses the knowledge gathered from an analytical study of some special cases of the AAUP. The second approach is a variable neighbourhood search with strategic oscillation. The excellent performance of both approaches is demonstrated using a large set of randomly generated instances. Finally, we stress the importance of a proper allocation of scarce resources in accessibility improvement. (c) 2012 Elsevier B.V. All rights reserved.
Databáze: OpenAIRE