We introduce a formal semantics based calculus of trust that explicitly represents trust and quantifies the risk associated with trust in public key infrastructure (PKI) and iden...
Abstract-- SPKI/SDSI is a standard for issuing authorization and name certificates. SPKI/SDSI can be used to implement a Trust Management System, where the policy for resource acce...
We present TrustDavis, an online reputation system that provides insurance against trade fraud by leveraging existing relationships between players, such as the ones present in so...
In an online rating system, raters assign ratings to objects contributed by other users. In addition, raters can develop trust and distrust on object contributors depending on a f...
Modern distributed information systems handle increasingly critical data and computation, but there is no systematic way to assess whether a given part of the system can be entrus...
Partha Pratim Pal, Franklin Webber, Michael Atighe...