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- W2312984067 abstract "This article examines the problem of scheduling preemptive jobs on identical parallel machines to minimize total tardiness. The problem is known to be NP-hard. An efficient heuristic is developed for solving large-sized problems. A lower bound scheme is also presented. Both of the proposed heuristic and lower bound are incorporated into a branch-and-bound algorithm to optimally solve small-sized problems. Computational results are reported. The branch-and-bound algorithm can handle problems of up to 16 jobs and 5 machines in size within a reasonable amount of time. The solution obtained by the heuristic has an average percentage deviation of 4.01% from the optimal value, while the initial lower bound has an average percentage deviation of 41.55% from the optimal value. Moreover, the heuristic finds approved optimal solutions for more than 45% of the problem instances tested." @default.
- W2312984067 created "2016-06-24" @default.
- W2312984067 creator A5055184327 @default.
- W2312984067 date "2016-03-01" @default.
- W2312984067 modified "2023-09-26" @default.
- W2312984067 title "A branch-and-bound algorithm for identical parallel machine total tardiness scheduling problem with preemption" @default.
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- W2312984067 doi "https://doi.org/10.1080/21681015.2016.1147088" @default.
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