Minimizing total tardiness in an unrelated parallel-machine scheduling problem

Shim S-O and Kim Y-D ()
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Shim S-O: Korea Advanced Institute of Science and Technology, Yusong-gu
Kim Y-D: Korea Advanced Institute of Science and Technology, Yusong-gu

Journal of the Operational Research Society, 2007, vol. 58, issue 3, 346-354

Abstract: Abstract We consider a problem of scheduling n independent jobs on m unrelated parallel machines with the objective of minimizing total tardiness. Processing times of a job on different machines may be different on unrelated parallel-machine scheduling problems. We develop several dominance properties and lower bounds for the problem, and suggest a branch and bound algorithm using them. Results of computational experiments show that the suggested algorithm gives optimal solutions for problems with up to five machines and 20 jobs in a reasonable amount of CPU time.

Keywords: scheduling; unrelated parallel machines; total tardiness; branch and bound (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (4)

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DOI: 10.1057/palgrave.jors.2602141

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