Definition, Analysis and Classification of Scheduling Problems
Throughout this book we are concerned with scheduling computer and manufacturing processes. Despite the fact that we deal with two different areas of applications, the same model could be applied. This is because the above processes consist of complex activities to be scheduled, which can be modeled by means of tasks (or jobs), relations among them, processors, sometimes additional resources (and their operational functions), and parameters describing all these items in greater detail. The purpose of the modeling is to find optimal or suboptimal schedules in the sense of a given criterion, by applying best suited algorithms. These schedules are then used for the original setting to carry out the various activities. In this chapter we introduce basic notions used for such a modeling of computer and manufacturing processes.
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