828 search results - page 140 / 166 » Access Control in Location-Based Services |
COMCOM
2007
13 years 8 months ago
2007
In these years, the security problem becomes more important to everyone using computers. However, vulnerabilities on computers are found so frequently that system managers can not...
CODASPY
2012
12 years 4 months ago
2012
Recent years have witnessed the trend of leveraging cloudbased services for large scale content storage, processing, and distribution. Security and privacy are among top concerns ...
CCS
2007
ACM
14 years 2 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 ...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
LCN
2006
IEEE
14 years 2 months ago
2006
IEEE
— Recent advance in IEEE 802.11 based standard has pushed the wireless bandwidth up to 600Mbps while keeping the same wireless medium access control (MAC) schemes for full backwa...