266 search results - page 37 / 54 » Comparing simple role based access control models and access... |
INFSOF
2006
13 years 7 months ago
2006
Providing efficient access to XML documents becomes crucial in XML database systems. More and more concurrency control protocols for XML database systems were proposed in the past...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Two-ray ground reflection model has been widely used as the propagation model to investigate the performance of an ad hoc network. But two-ray model is too simple to represent a r...
CSFW
2004
IEEE
13 years 11 months ago
2004
IEEE
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
JCS
2008
13 years 7 months ago
2008
We present a novel technique, known as the non-delegatable authority (NDA), for distributing authority to unconfined subjects in capability systems that prevents them from sharing...
CCS
2005
ACM
14 years 1 months ago
2005
ACM
Automated trust negotiation is an approach which establishes trust between strangers through the bilateral, iterative disclosure of digital credentials. Sensitive credentials are ...