Table I.

Random attributes assigned to requirements for each MNCP instance

Variable nameVariableAssignment rule
PortPiRandom draw from possible ports (30% sample of locations)
DestinationDiRandom draw from possible destinations (remaining 70% sample of locations)
Cargo in short tonsAiInteger(Uniform(4000,5000))
Transport time (road) in daysLi,roadRandom draw from integer set {1,2,…,6}
Transport time (rail) in daysLi,railRandom draw from integer set {1,2,…,7}
Start daySiRandom draw from integer set {1,2,…(number of days - Max(Li,road,Li,rail))}
End dayEiMin(number of days, Si + Max(Li,road,Li,rail) + Integer(Uniform(0,5))

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