670 search results - page 100 / 134 » A RBAC-Based Policy Information Base |
SIGKDD
2008
13 years 10 months ago
2008
Wide-area sensor infrastructures, remote sensors, RFIDs, and wireless sensor networks yield massive volumes of disparate, dynamic, and geographically distributed data. As such sen...
JASIS
2007
2007
Visualization of the citation impact environments of scientific journals: An online mapping exercise
13 years 10 months ago
Aggregated journal-journal citation networks based on the Journal Citation Reports 2004 of the Science Citation Index (5968 journals) and the Social Science Citation Index (1712 j...
TSI
2008
13 years 10 months ago
2008
Ubiquitous applications are facing a large diversity of execution contexts. However, this diversity requires some continual adaptation to preserve the correct execution of these ap...
JSAC
2007
13 years 10 months ago
2007
Abstract— We consider both the single-user and the multiuser power allocation problems in MIMO systems, where the receiver side has the perfect channel state information (CSI), a...
TWC
2008
13 years 10 months ago
2008
Abstract-- Multiuser diversity gains can be achieved by assigning channels to users with better channel quality in multiuser systems. To avoid the extensive information exchange re...