Relative trustworthiness

Authors:
Johan W. Klüwer;Arild Waaler
Affiliations:
Dep. of Philosophy, University of Oslo;Finnmark College and Dep. of Informatics, University of Oslo
Venue:
FAST'05 Proceedings of the Third international conference on Formal Aspects in Security and Trust
Year:
2005

Citing 2
Cited 2

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Abstract

We present a method for trust scenarios with more than one trustee, where sets of trustees are ordered in a relation of relative trustworthiness. We show how a priority structure implicit in a trust relation can be made fully explicit by means of a lattice and how a system of default expectations arises from a systematic interpretation. The default structure lends itself to formal interpretation, but is independent of a particular logical language. The theory is designed to directly extend the analysis of the concept of trust given by Andrew Jones.