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Part of the book series: Contributions to Management Science ((MANAGEMENT SC.))

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Abstract

In this chapter, the results of the computational experiments are extensively presented. Test instances based on real-world and designed request data sets comprising defined structural quality characteristics are presented. In order to evaluate the proposed pro-active real-time control approach under different levels of structural request data quality, two criteria i.e., structural distortion and structural diversity are described in detail. Using these criteria, request data sets with different levels of structural distortion as well as different levels of structural diversity are designed. Results from different preliminary computational studies are presented. In the main computational experiments, the performance of the pro-active real-time control approach is evaluated by comparing its attained results with the results achieved by its deterministic counterpart. Moreover, new approaches for assessing the structural quality of given request data sets with regard to their suitability in our proposed pro-active real-time control approach are presented. These approaches provide a new measure for determining expected achievable improvements by using the pro-active real-time control approach. Furthermore, a new approach for limiting vehicle en-route diversion activities is introduced. Finally, answers to the central research questions and managerial recommendations are given.

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Notes

  1. 1.

    Available at http://www.cs.wm.edu/~va/software/park/.

  2. 2.

    We assume that the application of the real-time control approach A 1 has already led to an improvement in comparison to carrying out the coordination of the transportation process without using any real-time control approaches.

  3. 3.

    Available at http://extras.springer.com.

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Ferrucci, F. (2013). Computational Results. In: Pro-active Dynamic Vehicle Routing. Contributions to Management Science. Physica, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33472-6_8

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