| Article ID: | iaor20127764 | 
| Volume: | 40 | 
| Issue: | 6 | 
| Start Page Number: | 568 | 
| End Page Number: | 572 | 
| Publication Date: | Nov 2012 | 
| Journal: | Operations Research Letters | 
| Authors: | Mattia Sara | 
| Keywords: | combinatorial optimization | 
We present the first exact approach to separate tight metric inequalities for the Network Loading problem. We give a bilevel programming formulation for the separation problem, develop an algorithm based on the proposed formulation and discuss computational results.