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SACMAT
2009
ACM
14 years 1 months ago
2009
ACM
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
ACMICEC
2007
ACM
14 years 23 days ago
2007
ACM
Due to inherent privacy concerns, online personalization services such as those offered through toolbars and desktop widgets are characterized by "no-free-disposal" (NFD...
SIGUCCS
2003
ACM
14 years 2 months ago
2003
ACM
DePauw University is a small, liberal arts institution with 2200 undergraduate residential students and 222 faculty members, located in Greencastle, Indiana. The challenges of sup...
CORR
2012
Springer
12 years 4 months ago
2012
Springer
A typical web search engine consists of three principal parts: crawling engine, indexing engine, and searching engine. The present work aims to optimize the performance of the cra...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...