3134 search results - page 542 / 627 » Computing full disjunctions |
SACMAT
2009
ACM
14 years 4 months ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
SACMAT
2009
ACM
14 years 4 months ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
SIGCOMM
2009
ACM
14 years 4 months ago
2009
ACM
While some empirical studies on Online Social Networks (OSNs) have examined the growth of these systems, little is known about the patterns of decline in user population or user a...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
Abstract. Online privacy policies are difficult to understand. Most privacy policies require a college reading level and an ability to decode legalistic, confusing, or jargon-laden...
WIKIS
2009
ACM
14 years 4 months ago
2009
ACM
Due to the inherent difficulty in obtaining experimental data from wikis, past quantitative wiki research has largely been focused on Wikipedia, limiting the degree that it can be...