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Trust and Risk Relationship Analysis on a Workflow Basis: A Use Case

Viduto, Valentina, Djemame, K, Townend, P, Xu, J, Fores, S, Lau, L, Fletcher, M, Dibsdale, Charlie, Hobson, S, McAvoy, J and Austin, J (2014) Trust and Risk Relationship Analysis on a Workflow Basis: A Use Case. In: Proceedings of the Ninth International Conference on Internet Monitoring and Protection. ICIMP 2014 . IARIA, Paris, France, pp. 7-12. ISBN 9781634390071

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Trust and risk are often seen in proportion to each other; as such, high trust may induce low risk and vice versa. However, recent research argues that trust and risk relationship is implicit rather than proportional. Considering that trust and risk are implicit, this paper proposes for the first time a novel approach to view trust and risk on a basis of a W3C PROV provenance data model applied in a healthcare domain. We argue that high trust in healthcare domain can be placed in data despite of its high risk, and low trust data can have low risk depending on data quality attributes and its provenance. This is demonstrated by our trust and risk models applied to the BII case study data. The proposed theoretical approach first calculates risk values at each workflow step considering PROV concepts and second, aggregates the final risk score for the whole provenance chain. Different from risk model, trust of a workflow is derived by applying DS/AHP method. The results prove our assumption that trust and risk relationship is implicit.

Item Type: Book Chapter
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering > Institute of Railway Research
School of Computing and Engineering
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Depositing User: Valentina Viduto
Date Deposited: 18 Dec 2014 14:32
Last Modified: 05 Nov 2015 00:04


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