Q. What issue does the PIE model help uncover?

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Q. The PIE model is an interaction model that addresses general classes of systems and describes properties like:

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Q. Which type of logic is used to discuss permitted actions and issues of responsibility?

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Q. Which type of formalism is used to specify system behavior for communication between designers and implementors, as well as for analysis?

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Q. Why might the notations and models for continuous interaction appear similar?

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Q. What is a characteristic feature of temporal Gestalt phenomena in continuous media?

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Q. What is the purpose of using closed (inclusive) and open (exclusive) intervals in formalizing time intervals?

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Q. What challenge do electronic calendar systems often pose to users?

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Q. What is the purpose of the enable/disable switch in the component/interactor models for virtual environments?

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Q. What is a characteristic feature of hybrid Petri nets used in the TACIT project?

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Q. What is the general approach of the control systems community when dealing with hybrid systems?

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Q. In which contexts might the merging of event-based and continuous status behavior be a concern?

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Q. Why might one be forced to invent events when applying systems theory to a real example?

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Q. What is the impact of treating everything as continuous in modeling behavior?

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Q. How are event phenomena typically treated in systems theory and applied mathematics?

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Q. What is the main difference between the systems theory model and the status–event analysis (S–E) model?

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Q. In engineering and physics, how are continuous and discrete phenomena typically regarded?

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Q. What is the role of status phenomena in status–event analysis?

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Q. What is the purpose of status-change events in status–event analysis?

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Q. What distinguishes status–event analysis from discrete models of interaction?

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