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Erschienen in:
02.02.2017
Online integrated allocation of berths and quay cranes in container terminals with 1-lookahead
Erschienen in: Journal of Combinatorial Optimization | Ausgabe 2/2018
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Abstract
This paper studies an online over-list model of the integrated allocation of berths and quay cranes (QCs) in container terminals with 1-lookahead ability. The objective is to minimize the maximum completion time of container vessels, i.e., the makespan. We focus on two different types of vessels, three berths and a small number of QCs in the hybrid berth layout, with 1-lookahead ability. We propose a \({{(1 + \sqrt{2} )/2}}\)-competitive algorithm for the case with four cranes, a 5/4-competitive algorithm for the case with five cranes and a 4/3-competitive algorithm for the case with six cranes, respectively. All of the algorithms are proved to be optimal.