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TIMIPLAN : An Application to Solve Multimodal Transportation Problems

Intermodal transportation is a very challenging task for AI planning. It is a logistics problem in which a set of goods have to be transported to different places, with the combination of at least two modes of transport in a single transport chain, without a change of container for the goods. The main goal of this paper is to introduce TIMIPLAN, a new application to solve multimodal transportation problems. TIMIPLAN has been developed in the context of a research project involving one of the biggest spanish companies in intermodal transportation, Acciona Transmediterránea Cargo. The main challenge of this project is the size of the planning problems: more than 300 containers, trucks, locations and services have to be dealt with everyday. Thus, internally, TIMIPLAN combines Operational Research (OR) techniques with Artificial Intelligence (AI) planning in order to obtain good quality plans, by exploiting the benefits of both kinds of techniques. These plans can be also graphically visualized.