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Timed Use Case Maps

  • Jameleddine Hassine
  • Juergen Rilling
  • Rachida Dssouli
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4320)

Abstract

Scenario-driven requirement specifications are widely used to capture and represent functional requirements. Use Case Maps are being standardized as part of the User Requirements Notation (URN), the most recent addition to ITU-T’s family of languages. UCM models focus on the description of functional requirements and high-level designs at early stages of the development process. How a system is executed over time and how this may affect its correctness and performance, however, are introduced later in the development process which may require considerable changes in design or even worse at the requirement analysis level. We believe that timing aspects must be integrated into the system model, and this must be done already at an early stage of development. This paper introduces an approach to describe timing constraints in Use Case Maps specifications. We present a formal semantics of Timed UCM in terms of Clocked Transition Systems (CTS). We illustrate our approach using an example of a simplified wireless system.

Keywords

Use Case Maps User Requirements Notation timing aspects performance timed UCM Clocked Transition Systems 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Jameleddine Hassine
    • 1
  • Juergen Rilling
    • 1
  • Rachida Dssouli
    • 2
  1. 1.Department of Computer ScienceConcordia UniversityMontrealCanada
  2. 2.Concordia Institute for Information Systems EngineeringMontrealCanada

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