455 search results - page 56 / 91 » An adaptive dynamic grid-based approach to data distribution... |
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 ...
BDIM
2007
IEEE
14 years 3 months ago
2007
IEEE
Utility services providers offer on-demand services for multiple users and applications from a shared resource pool. The utility computing environment provider manages resources th...
GLOBECOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—In this paper we look at the problem of accurately reconstructing distributed signals through the collection of a small number of samples at a data gathering point. The techniqu...
MIDDLEWARE
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. Virtualization-based server consolidation is an important technique for cost and energy reductions in data center environments and a key enabler of cloud computing. Howev...
COOPIS
2004
IEEE
14 years 14 days ago
2004
IEEE
Current ubiquitous computing environments provide many kinds of information. This information may be accessed by different users under varying conditions depending on various conte...