NDLI: Shortest path problem with arc failure scenarios

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Shortest path problem with arc failure scenarios

Content Provider	Springer Nature Link
Author	Issac, Preethi Campbell, Ann Melissa
Copyright Year	2015
Abstract	We consider a shortest path problem from source to destination over a set of arc failure scenarios, considering the probability of different scenarios. A primary path is chosen, which is the first path a driver will take, along with a set of alternative paths to use when an impassible road is encountered. These paths should minimize the expected cost to reach the destination and be useful in natural disaster applications. Our paper includes a formal problem description and integer programming model for this new problem. We also provide an exact algorithm based on the modified label-correcting algorithm but with extended labels that preserve information about the scenarios. We describe dominance rules and how to use a version of the A-star algorithm to generate an initial bound. We conduct computational experiments with real road data sets with varying number of scenarios and disaster intensities. These experiments show the value of the dominance rules and initial bounds, as well as the structure of the chosen paths.
Starting Page	139
Ending Page	163
Page Count	25
File Format	PDF
ISSN	21924376
Journal	EURO Journal on Transportation and Logistics
Volume Number	6
Issue Number	2
e-ISSN	21924384
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-10-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Shortest path Label correcting Scenarios Arc failures Disasters Operation Research/Decision Theory Logistics Operations Research, Management Science Optimization
Content Type	Text
Resource Type	Article
Subject	Management Science and Operations Research Transportation Modeling and Simulation

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