A Conceptual Framework for Adaptive and Configurable Activity-Aware Trust in Collaborative Environments
Trust is an abstraction of individual beliefs that an entity has for specific situations and interactions and it must evolve in a consistent manner so that it still abstracts the entity’s beliefs accurately. This paper presents and discusses a conceptual trust framework that models an entity’s trust as a relation whose state gets updated as relevant conditions that affect trust change. The proposed model allows entities to reason about the specification and adaptation of trust that is placed in an entity. An intuitive and practical approach is presented to manage end-to-end trust assessment for a particular activity, where multiple trust relationships are examined in a bottom-up evaluation manner to derive the overall trust for the activity. Finally, Hestia, a novel trust management system that conforms to the formal model’s principles, is described.
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