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184
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CCS
2007
ACM
16 years 1 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 ...
181
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DRM
2007
Springer
16 years 1 months ago
2007
Springer
The goal of obfuscation is to transform a program, without affecting its functionality, such that some secret information within the program can be hidden for as long as possible...
184
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IH
1998
Springer
15 years 11 months ago
1998
Springer
In the last few years, a large number of schemes have been proposed for hiding copyright marks and other information in digital pictures, video, audio and other multimedia objects....
177
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
PageRank (PR) is one of the most popular ways to rank web pages. However, as the Web continues to grow in volume, it is becoming more and more difficult to crawl all the available...
176
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most s...