NDLI: Model-Driven assessment of use cases for dependable systems

Content Provider	ACM Digital Library
Author	Mustafiz, Sadaf Sun, Ximeng Vangheluwe, Hans Kienzle, Jörg
Abstract	Complex real-time systems need to address dependability requirements early on in the development process. This paper presents a model-based approach that allows developers to analyze the dependability of use cases and to discover more reliable and safe ways of designing the interactions with the system and the environment. We use a probabilistic extension of statecharts to model the system requirements. The model is then evaluated analytically based on the success and failure probabilities of events. The analysis may lead to further refinement of the use cases by introducing detection and recovery measures to ensure dependable system interaction. A visual modelling environment for our extended statecharts formalism supporting automatic probability analysis has been implemented in AToM3, A Tool for Multi-formalism and Meta-Modelling. Our approach is illustrated with an elevator control system case study.
Starting Page	558
Ending Page	573
Page Count	16
ISBN	9783540457725
ISSN	03029743
DOI	10.1007/11880240_39
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-10-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Computer Science

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Model-Driven assessment of use cases for dependable systems