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Formal specification and use case generation for a mobile telephony system

✍ Scribed by Randall Tuok; Luigi Logrippo

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
814 KB
Volume
30
Category
Article
ISSN
0169-7552

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✦ Synopsis

Use cases are widely recognized as useful tools for describing user requirements. However, the representation of a system by a collection of use cases has disadvantages, particularly it is time-consuming to derive large sets of use cases manually, and it is difficult to ascertain consistency and completeness of the sets. In this paper, we show how these problems can be eased by using an approach based on the formal specification language LOTOS. We describe a LOTOS specification of the Ε½ . Global System for Mobile communication GSM , obtained from existing use cases, and we report on automatic regeneration of use cases from the specification. We also present techniques for determining whether or not a specification contains a given use case.

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