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Issue No. 05 - May (2009 vol. 42)
ISSN: 0018-9162
pp: 33-40
David W. Chadwick , University of Kent
George Inman , University of Kent
Most federated identity management systems are limited by users' ability to choose only one identity provider per service session. A proposed linking service lets users securely link their various identity provider (IdP) accounts, enabling the system to aggregate attributes from multiple authoritative sources automatically without requiring users to authenticate separately to each IdP.
Identity management systems, Attribute aggregation, Linking service, SAML, Liberty Alliance, CardSpace, Security & privacy

D. W. Chadwick and G. Inman, "Attribute Aggregation in Federated Identity Management," in Computer, vol. 42, no. , pp. 33-40, 2009.
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