Approximation schemes for the restricted shortest path problem
Mathematics of Operations Research
On the robust shortest path problem
Computers and Operations Research
Bicriteria network design problems
Journal of Algorithms
Least Expected Time Paths in Stochastic, Time-Varying Transportation Networks
Transportation Science
A branch and bound algorithm for the robust shortest path problem with interval data
Operations Research Letters
The minimum risk spanning tree problem
COCOA'07 Proceedings of the 1st international conference on Combinatorial optimization and applications
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This paper presents efficient algorithms for the minimum risk-sum path problem which arises in a variety of applications. Given a source-destination node pair in a network G = (V, E), where each link e in G can be traveled using time xe in a prespecified interval [le, ue] while taking risk ue-xe/ue-le, the minimum risk-sum path problem is to find a path in G from source to destination, together with an assignment of travel times along each link on the path, so that the total travel time of the path is no more than a given constant and the risk sum over the links on the path is minimized. In this paper, we solve the minimum risk-sum path problem optimally in O(|V|3|E|) time.