Department of Informatics

TU München - Fakultät für Informatik
Chair IV: Software & Systems Engineering

TUM
 
PDF-Datei  Service-Based Specification of Reactive Systems

Technical Report

Author:Jewgenij Botaschanjan, Alexander Harhurin, Leonid Kof
Type:Technical Report
Number:TUM-I0815
Year:2008
Abstract:Requirement conflicts are very common. They can result from different stakeholders' views, different knowledge of the operating environment, different interpretations of the same concept, etc. Requirement conflicts are harmless, as long as they are detected and resolved directly in the requirements engineering phase. Software development practice shows, however, that the conflicts often remain unperceived until implementation. In this case conflict resolution becomes much more expensive. In the presented paper we suggest an approach to formalization of functional requirements, based on the service concept introduced by Broy. This allows us to model every functional requirement as a partial function and to identify onflicting functions. This results in a formally well-founded conflict detection method, applicable in the requirements engineering phase. Applicability of the method was tested on an industrial case study.
 
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