Campbell, J. F.; Ernst, A. T.; Krishnamoorthy, M. - In: Management Science 51 (2005) 10, pp. 1540-1555
model called the hub arc location model. Rather than locate discrete hub facilities, this model locates hub arcs, which have … reduced unit flow costs. Four special cases of the general hub arc location model are examined in detail. We provide … used to compare optimal costs, hub locations, and hub arc locations with corresponding hub median optimal solutions. The …