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Systems of systems ontology in practice

This paper explores possibilities for collaboration between two companies that share interest in a System of Systems (SoS). Although traditional architectural frameworks and standards are applicable, there has been little work presented of how they can be used for collaboration by a practician. As a response to harmonize use of words for an SoS in relationship to standardized set of definitions an INCOSE Work Group project developed a proposal for an ontology that could support collaboration in the context of directed SoS and acknowledged SoS. This ontology is evaluated in the paper, first by a mapping of terms used in product development to test the ontology terms. Then the ontology is further explored with an example of how it could be used in architecture work in relation to directed SoS, specifically from a system safety aspect.