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Neural Network Modeling of Constrained Spatial Interaction Flows: Design, Estimation, and Performance Issues

Manfred Fischer, Martin Reismann and Katerina Hlavackova–Schindler

Journal of Regional Science, 2003, vol. 43, issue 1, 35-61

Abstract: In this paper a novel modular product unit neural network architecture is presented to model singly constrained spatial interaction flows. The efficacy of the model approach is demonstrated for the origin constrained case of spatial interaction using Austrian interregional telecommunication traffic data. The model requires a global search procedure for parameter estimation, such as the Alopex procedure. A benchmark comparison against the standard origin constrained gravity model and the two–stage neural network approach, suggested by Openshaw (1998), illustrates the superiority of the proposed model in terms of the generalization performance measured by ARV and SRMSE.

Date: 2003
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