UET-scheduling with chain-type precedence constraints

UET-scheduling with chain-type precedence constraints

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Article ID: iaor19961194
Country: United Kingdom
Volume: 22
Issue: 9
Start Page Number: 915
End Page Number: 920
Publication Date: Nov 1995
Journal: Computers and Operations Research
Authors: , ,
Keywords: heuristics
Abstract:

The authors consider a special case of the precedence constrained scheduling problem of n unit execution time jobs on two parallel machines without preemption: the precedence constraints are chain-type and each job can be processed on only one of the two machines. They show that this problem is NP-complete in general, and the authors derive an approximation algorithm with constant worst case guarantee.

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