Abstract
This paper presents D-Case Steps, new steps for writing assurance cases. Although the concept of assurance cases is simple, writing assurance cases is difficult: stating the top goal, selecting strategies for decomposing goals and setting evidence, etc. are all difficult. For this problem, based on conventional writing steps such as the six steps method by Kelly [8], we incorporate stakeholder analysis step and consensus building step. This paper reports two assurance case workshops using D-Case steps, and evaluates the D-Case steps by the results of questionaries done by the participants.
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Acknowledgements
This work has been supported by KAKENHI 17K12664, MEXT, Japan. We thank the participants of the first D-Case Steps workshop for introducing us the Smart Room Viewing example, and of the second workshop for their feedbacks. Also, we are grateful to DEOS D-Case meeting members for valuable discussions.
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Onuma, Y., Takai, T., Koshiyama, T., Matsuno, Y. (2018). D-Case Steps: New Steps for Writing Assurance Cases. In: Gallina, B., Skavhaug, A., Schoitsch, E., Bitsch, F. (eds) Computer Safety, Reliability, and Security. SAFECOMP 2018. Lecture Notes in Computer Science(), vol 11094. Springer, Cham. https://doi.org/10.1007/978-3-319-99229-7_8
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