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Thesis
Contributions
nUncertain evidence for user
authorization
nEvidence statement
nAn evidence rewriting rule
nThree opinion inference methods
nUser authorization based on dynamic
trust and uncertain
evidence
nA role assignment policy definition
language
nThe evaluation semantic
nTERA (trust-enabled role assignment)
framework and prototype
nImpact
nProviding an adaptive authorization
framework. Preventing misuse
of enterprise information through authorized access
nProviding a test bed for
experimental studies on user behavior, trusting building algorithm etc.