• 1 Procurement of Transportation Contracts
  • 2 A Bi-Objective Winner-Determination Problem (2WDP-SC)
  • 3 A Bi-Objective Algorithm based on SPEA2
  • 4 Evaluation
  • 4.1 Generating Test Instances
  • 4.2 Results and Discussion
  • 5 Conclusions and Outlook
  • References