Rieck, Julia; Ehrenberg, Carsten; Zimmermann, Jürgen - In: European Journal of Operational Research 236 (2014) 3, pp. 863-878
In this paper, we consider a variant of the many-to-many location-routing problem, where hub facilities have to be located and customers with either pickup or delivery demands have to be combined in vehicle routes. In addition, several commodities and inter-hub transport processes are taken into...