Chartering rather than owning a vessel is a recurrent question for liner operators. This article aims at identifying the extent of such chartering practices, the characteristics of vessels chartered and if an impact on liner profitability can be found. To do so, an initial dataset collected in...

The vehicle routing problem with time windows (VRPTW) has been the subject of intensive study because of its importance in real applications. In this paper, we propose a cross entropy multiagent learning algorithm, which considers an optimum solution as a rare event to be learned. The routing...