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A semantically-enriched quality governance framework in the system of systems context applied to cancer care

Qaddoumi, Eman

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Authors

Eman Qaddoumi



Abstract

Organisations are becoming more complex with diverse businesses, and therefore accomplishing their business objectives entails the need to develop System of Systems (SoS) with new capabilities based on existing monolithic systems of different domains. Regardless of the business objectives of these organisations, they can only be achieved if the right level of quality is ensured across the SoS arrangement.

In order to deliver new SoS capabilities, interoperability between the SoS’s Constituent Systems (CSs) is required. Semantic inconsistencies at different levels of SoS’s constituent systems causes various challenges which can degrade the level of quality governance among the SoS arrangement. These inconsistencies mainly are due to the domain process’ heterogeneities, multiple standards followed, policies and varying levels of quality requirements of the CSs, and hence the level of interoperability affecting the anticipated quality.

To respond to the above challenges, this research is aimed at investigating the effectiveness of semantically-enriched quality governance in relation to policies, processes, standards and quality requirements of the constituent systems in a SoS arrangement. For this purpose, a semantically enriched framework for the quality governance of SoS, i.e. OntoSoS.QM.Gov (Ontology-based System of Systems Quality Management Governance) has been developed and evaluated incrementally using an adaptation of the Design Science Research Methodology (DSRM). A sufficient and representative case study has been utilised in the DSRM process increments from the SoS cancer care domain, in particular, the Cell Therapy and Applied Genomics (CTAG) at the King Hussein Cancer Centre (KHCC), Jordan.

The OntoSoS.QM.Gov framework consists of four ontological models: (i) the SoS standards ontology model (OntoSoS.Stand), (ii) the SoS quality requirements ontology model (OntoSoS.QR), (iii) the SoS process ontology model (OntoSoS.Process), and (iv) the SoS policies ontology model (OntoSoS.Policy). They are linked together using a fit-for-purpose governance process in managing the semantics of the relevant quality governance areas.

The outcomes of demonstrating the OntoSoS.QM.Gov framework using the CTAG case study and evaluating it with the cancer care domain experts revealed the following. First, semantic heterogeneities between CSs and SoS in relation to their policies, processes, quality requirements and standards have been resolved. Second, the fit- for- purpose quality governance process was observed to mostly determining and resolving conflicts with minimum human intervention. Third, the adequacy of the four ontological governance models in capturing the semantics of governance in relation to policies, processes, quality requirements and standards not only for CSs but also as stand-alone models that may further be utilised in different contexts or domains.

Finally, this research has to identify further research areas to explore in relation to the governance of change management of constituent systems’ processes, policies, standards where their business processes change.

Thesis Type Thesis
Deposit Date May 19, 2020
Publicly Available Date Jan 6, 2021
Public URL https://uwe-repository.worktribe.com/output/5986806
Award Date Jan 6, 2021

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