Automated trust negotiation in identity federations using OWL-based abduction of missing credentials

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Authors

KUBA Martin

Year of publication 2011
Type Article in Proceedings
Conference Proceedings of the 6th International Conference forInternet Technology and Secured Transactions (ICITST-2011)
MU Faculty or unit

Institute of Computer Science

Citation
Web http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6148374
Field Informatics
Keywords OWL;federation;trust negotiation
Description This paper proposes a novel method for releasing semantic information between organizations in an identity federation, based on automated trust negotiation between the releasing Identity Provider and the consuming Service Provider. In the negotiation, the Service Provider gradually asks for more and more information about the user, until an authorization decision can be made. The paper also proposes an algorithm for detecting which information needed for a decision is missing in an OWL2 ontology.
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