Test instances for the problems allocating and sequencing mobile orders and racks to pickers

The test instances found here were the ones used in the following work:

Cristiano Arbex Valle and John E Beasley

Order allocation, rack allocation and rack sequencing for pickers in a mobile rack environment, recently submitted

Test instances files:

• rackFormulationInstances.tar.gz: Instances for the rack formulation.
• largeInstances.tar.gz: Large instances for the rack formulation (up to 40000 products).
• sequencingFormulationInstances.tar.gz: Instances for the sequencing formulation.

• rackInstancesDescription.txt: This text file describes the instances for the rack formulation.
• sequencingInstancesDescription.txt: This text file describes the instances for the sequencing formulation.

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