229 search results - page 22 / 46 » Set Covering Problems in Role-Based Access Control |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Previous studies have highlighted the high arrival rate of new content on the web. We study the extent to which this new content can be efficiently discovered by a crawler. Our st...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— We investigate the spatial distribution of wireless nodes that can transport a given volume of traffic in a sensor network, while requiring the minimum number of wireless node...
IMCS
2007
13 years 7 months ago
2007
Purpose – Security information management systems (SIMs) have been providing a unified distributed platform for the efficient management of security information produced by co...
ISLPED
2006
ACM
14 years 1 months ago
2006
ACM
This paper presents an energy-conservation method for multiple disks and their cache memory. Our method periodically resizes the cache memory and controls the rotation speeds unde...
IJCMAM
2010
13 years 5 months ago
2010
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...