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Conceptual Modeling in a quality perspective byDraft Document • September 17th, 2020
The PID Language. This language is used to specify processes and their interaction in a formal way. The basic modeling constructs are: processes, ERT-views being links to an ERT-model, external agents, ows (both control and data ows), ports, and timers, acting as either clocks or delays. The graphical symbols of PID's are shown in Fig. 2.18.
