TY - GEN
T1 - Risk evaluation for personal identity management based on privacy attribute ontology
AU - Iwaihara, Mizuho
AU - Murakami, Kohei
AU - Ahn, Gail-Joon
AU - Yoshikawa, Masatoshi
PY - 2008
Y1 - 2008
N2 - Identity providers are becoming popular for distributed authentication and distributed identity management. Users' privacy attributes are stored at an identity provider and they are released to a service provider upon user's consent. Since a broad range of privacy information of different sensitiveness can be exchanged in advanced web services, it is necessary to assist users by presenting potential risk on financial and personality damage, before releasing privacy attributes. In this paper, we present a model of privacy attribute ontology and risk evaluation method on this ontology. Then we formalize several matching problems which optimize similarity scores of matching solutions under several different types of risk constraints. We show sophisticated polynomial-time algorithms for solving these optimization problems.
AB - Identity providers are becoming popular for distributed authentication and distributed identity management. Users' privacy attributes are stored at an identity provider and they are released to a service provider upon user's consent. Since a broad range of privacy information of different sensitiveness can be exchanged in advanced web services, it is necessary to assist users by presenting potential risk on financial and personality damage, before releasing privacy attributes. In this paper, we present a model of privacy attribute ontology and risk evaluation method on this ontology. Then we formalize several matching problems which optimize similarity scores of matching solutions under several different types of risk constraints. We show sophisticated polynomial-time algorithms for solving these optimization problems.
UR - http://www.scopus.com/inward/record.url?scp=57049121757&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=57049121757&partnerID=8YFLogxK
U2 - 10.1007/978-3-540-87877-3_15
DO - 10.1007/978-3-540-87877-3_15
M3 - Conference contribution
AN - SCOPUS:57049121757
SN - 3540878769
SN - 9783540878766
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 183
EP - 198
BT - Conceptual Modeling - ER 2008 - 27th International Conference on Conceptual Modeling, Proceedings
PB - Springer Verlag
T2 - 27th International Conference on Conceptual Modeling, ER 2008
Y2 - 20 October 2008 through 24 October 2008
ER -