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SSND - The Stochastic Service Network Design Library The Stochastic Service Network Design library consist of 56 different test instances plus 7 different 'scenario trees'. The test instances was originally design for use in the paper 'Finding Good Solutions for Large Time-Dependent Stochastic Service Network Design Problems by Combining Exact and Heuristic Methods' by Hoff, Lium, Løkketangen and Crainic, which describes a time-dependent stochastic service network design formulation for these instances. The instances are for the most part self explaining. However, it can be noted that 'VEHICLES:' is a mere suggestion for an appropriate number of vehicles to be used when solving the problem instances. Download SSND (Zip-file) |