706 search results - page 61 / 142 » Access Control: Policies, Models, and Mechanisms |
PODS
2005
ACM
14 years 9 months ago
2005
ACM
Some promising recent schemes for XML access control employ encryption for implementing security policies on published data, avoiding data duplication. In this paper we study one ...
MEDINFO
2007
13 years 10 months ago
2007
Ongoing concerns have been raised over the effectiveness of information technology products and systems in maintaining privacy protection for sensitive data. The aim is to ensure ...
SIGMETRICS
2009
ACM
14 years 3 months ago
2009
ACM
We consider the problem of admission control in resource sharing systems, such as web servers and transaction processing systems, when the job size distribution has high variabili...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
IJNSEC
2007
13 years 8 months ago
2007
Large scale distributed applications combine network access with multiple storage and computational elements. The distributed responsibility for resource control creates new secur...