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Boursas, L., Reiser, H. (2007):

Propagating Trust and Privacy Aspects in Federated Identity Management Scenarios

This paper presents a trust-management application for trust based relationships in federated identity management (FIM). It empowers discovery, technical interpretation of the meaning of trust, dynamic calculation of trust levels and afterwards static composition of trustworthy relationships between Identity and Service providers, which can be accomplished through the use of servicespecific XACML policies to enforce the required trust and privacy aspects.