Model-based specification of safety compliance needs for critical systems: A holistic generic metamodel
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Author/sde la Vara, Jose Luis; Ruiz, Alejandra; Attwood, Katrina; Espinoza, Huascar; Panesar-Walawege, Rajwinder Kaur; [et al.]
Reference assurance framework
Context: Many critical systems must comply with safety standards as a way of providing assurance that they do not pose undue risks to people, property, or the environment. Safety compliance is a very demanding activity, as the standards can consist of hundreds of pages and practitioners typically have to show the fulfilment of thousands of safety-related criteria. Furthermore, the text of the standards can be ambiguous, inconsistent, and hard to understand, making it difficult to determine how to effectively structure and manage safety compliance information. These issues become even more challenging when a system is intended to be reused in another application domain with different applicable standards. Objective: This paper aims to resolve these issues by providing a metamodel for the specification of safety compliance needs for critical systems. Method: The metamodel is holistic and generic, and abstracts common concepts for demonstrating safety compliance from different standards ...