Abstract
There can be multitudinous models specifying aspects of the same system. Each model has a bias towards one aspect. These models often override in specific aspects though they have different expressions. A specification written in one model can be refined by introducing additional information from other models. The paper proposes a concept of promoting models which is a methodology to obtain refinements with support from cooperating models. It refines a primary model by integrating the information from a secondary model. The promotion principle is not merely an academic point, but also a reliable and robust engineering technique which can be used to develop software and hardware systems. It can also check the consistency between two specifications from different models. A case of modeling a simple online shopping system with the cooperation of the guarded design model and CSP model illustrates the practicability of the promotion principle.
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Li, Q., Zhao, Y., Wu, X., Liu, S. (2010). Promoting Models. In: Qin, S. (eds) Unifying Theories of Programming. UTP 2010. Lecture Notes in Computer Science, vol 6445. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-16690-7_12
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