670 search results - page 43 / 134 » A RBAC-Based Policy Information Base |
CCS
2009
ACM
14 years 11 months ago
2009
ACM
Despite several research studies, the effective analysis of policy based systems remains a significant challenge. Policy analysis should at least (i) be expressive (ii) take accou...
WAIM
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. Modern large distributed applications, such as telecommunication and banking services, need to respond instantly to a huge number of queries within a short period of time...
WWW
2004
ACM
14 years 11 months ago
2004
ACM
A scalable approach to trust negotiation is required in Web service environments that have large and dynamic requester populations. We introduce Trust-Serv, a model-driven trust n...
ICDE
2005
IEEE
14 years 4 months ago
2005
IEEE
Individuals are becoming increasingly concerned regarding the protection of their personal information. In an attempt to ease the privacy concerns of individuals, organisations pu...
SIGIR
2009
ACM
14 years 5 months ago
2009
ACM
Crawl selection policy has a direct influence on Web search effectiveness, because a useful page that is not selected for crawling will also be absent from search results. Yet th...