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Weaving an Assurance Case from Design: A Model-Based Approach

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Title of host publication16th IEEE International Symposium on High Assurance Systems Engineering, HASE 2015, Daytona Beach, FL, USA, January 8-10, 2015
DatePublished - Jan 2015
Pages110-117
Number of pages8
PublisherIEEE
Original languageEnglish

Abstract

Assurance cases are used to demonstrate confidence in properties of interest for a system, e.g. For safety or security. A model-based assurance case seeks to bring the benefits of model-driven engineering, such as automation, transformation and validation, to what is currently a lengthy and informal process. In this paper we develop a model-based assurance approach, based on a weaving model, which allows integration between assurance case, design and process models and meta-models. In our approach, the assurance case itself is treated as a structured model, with the aim that all entities in the assurance case become linked explicitly to the models that represent them. We show how it is possible to exploit the weaving model for automated generation of assurance cases. Building upon these results, we discuss how a seamless model-driven approach to assurance cases can be achieved and examine the utility of increased formality and automation.

Bibliographical note

© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Published version: 10.1109/HASE.2015.25

    Research areas

  • formal verification, safety-critical software, assurance design, assurance process models, automation, meta-models, model-based assurance approach, model-based assurance case, model-driven engineering, safety cases, structured model, transformation, validatin, weaving model, Analytical models, Automation, Control systems, Cryptography, Weaving, arguments, assurnace cases, weaving

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