Reuse in Requirements Engineering: Discovery and Application of a Real-Time Requirement Pattern
R. Gotzhein, M. Kronenburg, C. Peper
SFB 501 Report 08/1998, Department of Computer Sciences, University of Kaiserslautern, Germany, 1998
We apply a reuse approach to formally specify system requirements. The approach is based on requirement patterns, which are related to design patterns well-known in object-oriented software development. The focus of this paper is on the application-driven discovery of an interesting, non-trivial real-time requirement pattern, and its subsequent application. In particular, we demonstrate how a given natural language requirement for a real-time system has been transformed into a precise and concise formal specification using real-time temporal logic, with detailed justification of each step. Also, we stress the use of tailored logical (real-time) operators. Finally, we motivate and illustrate the reuse potential of requirement specifications by a diverse collection of examples.
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