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Erschienen in:
2019 | OriginalPaper | Buchkapitel
Tackling Uncertainty in Safety Assurance for Machine Learning: Continuous Argument Engineering with Attributed Tests
verfasst von : Yutaka Matsuno, Fuyuki Ishikawa, Susumu Tokumoto
Erschienen in: Computer Safety, Reliability, and Security
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Abstract
There are unique kinds of uncertainty in implementations constructed by machine learning from training data. This uncertainty affects the strategy and activities for safety assurance. In this paper, we investigate this point in terms of continuous argument engineering with a granular performance evaluation over the expected operational domain. We employ an attribute testing method for evaluating an implemented model in terms of explicit (partial) specification. We then show experimental results that demonstrate how safety arguments are affected by the uncertainty of machine learning. As an example, we show the weakness of a model, which cannot be predicted beforehand. We show our tool for continuous argument engineering to track the latest state of assurance.