Towards Formalising Stakeholder Context using SysML v2
Matthew Harrison, John Carlin, Chengyuan Liu, Sarah Dunnett, Siyuan Ji
TLDR
This paper proposes a framework using Soft Systems Methodology (SSM) and SysML v2 to formalize subjective stakeholder context into system architecture.
Key contributions
- Presents a framework to formalize stakeholder context into system architecture.
- Leverages Soft Systems Methodology (SSM) with SysML v2 for precision.
- Defines a reference architecture mapping SSM outputs to SysML v2 concepts.
- Demonstrates a traceable path from stakeholder context to system architecture via a case study.
Why it matters
This framework reduces misinterpretation risk by formalizing subjective stakeholder context into precise system architecture using SysML v2. It offers a structured, traceable path, improving clarity and alignment in complex system development.
Original Abstract
This paper presents a framework to bridge the gap between subjective stakeholder context and formal system architecture. This is achieved using Soft Systems Methodology (SSM) and Systems Modelling Language version 2 (SysML v2). The methodology utilises the precision of Kernel Modelling Language (KerML) and the alignment of SysML v2 with ISO 42010 to define a reference architecture for the mapping of SSM outputs to SysML v2 concepts such as stakeholders and concerns. Application of the framework is demonstrated through the use of a case study, highlighting the traceable path from stakeholder context to system architecture. The structured mapping and increased semantic precision of SysML v2 are anticipated to reduce the risk of misinterpretation compared to less formal approaches, though empirical validation across diverse stakeholder contexts remains as future work. The primary identified trade-off is the increased barrier to entry associated with SysML v2's textual notation.
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