Two-level trust-based decision model for information assurance in a virtual organization

Like other unstructured decision problems, selection of external trustworthy objects are challenging particularly in a virtual organization (VO). Novel methods are desired to filter out invalid information as well as insecure programs. This paper presents a new, conceptual approach to support selection of objects. It is a two-level decision model, which helps a VO participant determine whether an external object can be accepted based on the object's quality and security features. This hierarchical decision-making process complies with both practical evidence and theoretical decision models. Its underlying concepts are logically sound and comprehensible. We illustrate the approaches using software selection.

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