Computing Dynamic Routes in Maritime Logistic Networks

TitleComputing Dynamic Routes in Maritime Logistic Networks
Publication TypeConference Paper
Year of Publication2014
AuthorsMathieu, H, Colin, J-Y, Nakechbandi, M
EditorBlecker, T, Kersten, W, Ringle, CM
Title of ProceedingsInnovative Methods in Logistics and Supply Chain Management: Current Issues and Emerging Practices
Conference LocationHamburg
ISBN Number978-3-8442-9878-9; 978-3-8442-9880-2
ISSN NumberISSN (print) 2365-4430, ISSN (online) 2365-5070
Keywordsdynamic graph, longest path problem, maritime network, route planning, time and costs factors.

In this paper, we study the problem of finding the path that maximizes the gain
toward one of several destination ports subject to uncertain information on the
expected gain in each port. Although the cost of a ship trip between two points
is usually predictable, some events may happen, thus impacting the cost. The
price of goods to be delivered may fluctuate during the trip (thus impacting the
gain), or the price to pay at the destination point can be higher than expected
(in case of a strike for example). All of this has important economical
consequences for the ship-owner and for the port on a long-term basis. In this
context, it is important for a ship-owner to be able to react quickly when a
destination port is no longer available. When a port terminal is on strike for
example, ships are rerouted to other ports to be loaded and unloaded. We
propose in this paper a simple and yet efficient algorithm to re-compute the
path of the ship, when she is on the way, based on the computation of the
longest path in a weakly dynamic graph, in order to maximize the global gain of
the trip.

Conference NameHICL 2014