6

Temporal Constraint Setting

As one of the most important workflow QoS dimensions and the focus in this book, the temporal constraint is the foundation of the entire temporal framework. Temporal constraint setting deals with temporal QoS specifications at workflow build time. As mentioned earlier, high temporal QoS cannot be achieved without proper setting of high-quality temporal constraints.

This chapter presents a probabilistic strategy for setting temporal constraints. Section 6.1 introduces the specifically related work and problem analysis. Section 6.2 presents probability-based temporal consistency model. Section 6.3 illustrates the detailed process for setting temporal constraints. Section 6.4 describes a case study to demonstrate the ...

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