3899 search results - page 460 / 780 » Argumentation for Access Control |
194
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SBBD
2004
15 years 8 months ago
2004
Today, neither transactional provisions, in general, nor concurrency control, in particular, of DBMS-based processing are tailored to the specific needs of large and collaborative...
192
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DIMVA
2009
15 years 7 months ago
2009
The use of dynamic access control policies for threat response adapts local response decisions to high level system constraints. However, security policies are often carefully tigh...
211
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DBKDA
2010
IEEE
15 years 5 months ago
2010
IEEE
—Emerging Web2.0 applications such as virtual worlds or social networking websites strongly differ from usual OLTP applications. First, the transactions are encapsulated in an AP...
176
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PERCOM
2011
ACM
14 years 10 months ago
2011
ACM
Abstract—Online social networks such as Facebook, MySpace, and Orkut store large amounts of sensitive user data. While a user can legitimately assume that a social network provid...
199
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CCS
2011
ACM
14 years 6 months ago
2011
ACM
We extend Goldberg’s multi-server information-theoretic private information retrieval (PIR) with a suite of protocols for privacypreserving e-commerce. Our first protocol adds ...