653 search results - page 103 / 131 » Database Privacy |
121
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CCS
2007
ACM
15 years 8 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
141
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AGENTS
1999
Springer
15 years 6 months ago
1999
Springer
The World Wide Web provides a huge distributed web database. However, information in the web database is free formatted and unorganized. Traditional keyword-based retrieval approa...
105
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NDSS
2008
IEEE
15 years 8 months ago
2008
IEEE
In [22] we showed that existing single-server computational private information retrieval (PIR) protocols for the purpose of preserving client access patterns leakage are orders o...
201
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VLDB
2006
ACM
16 years 2 months ago
2006
ACM
Abstract We explore the problem of portable and flexible privacy preserving access rights that permit access to a large collection of digital goods. Privacy-preserving access contr...
207
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VLDB
2009
ACM
16 years 2 months ago
2009
ACM
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...