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Towards a clearer understanding of context and its role in assurance argument confidence
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0002-6352-4368
2014 (engelsk)Inngår i: Lecture Notes in Computer Science, vol. 8666, 2014, s. 139-154Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The Goal Structuring Notation (GSN) is a popular graphical notation for recording safety arguments. One of GSN's key innovations is a context element that links short phrases used in the argument to detail available elsewhere. However, definitions of the context element admit multiple interpretations and conflict with guidance for building assured safety arguments. If readers do not share an understanding of the meaning of context that makes context's impact on the main safety claim clear, confidence in safety might be misplaced. In this paper, we analyse the definitions and usage of GSN context elements, identify contradictions and vagueness, propose a more precise definition, and make updated recommendations for assured safety argument structure.

sted, utgiver, år, opplag, sider
2014. s. 139-154
Serie
Lecture Notes in Computer Science, ISSN 0302-9743 ; 8666
Emneord [en]
Assurance argument, assured safety argument, confidence, context, goal structuring notation, safety argument, safety case
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Identifikatorer
URN: urn:nbn:se:mdh:diva-26009DOI: 10.1007/978-3-319-10506-2_10ISI: 000360208400010Scopus ID: 2-s2.0-84907073792ISBN: 9783319105055 (tryckt)OAI: oai:DiVA.org:mdh-26009DiVA, id: diva2:750562
Konferanse
33rd International Conference on Computer Safety, Reliability, and Security, SAFECOMP 2014; Florence; Italy; 10 September 2014 through 12 September 2014
Tilgjengelig fra: 2014-09-29 Laget: 2014-09-26 Sist oppdatert: 2019-01-10bibliografisk kontrollert

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