362 search results - page 67 / 73 » Dynamic Context-aware Access Control for Grid Applications |
106
click to vote
JCST
2008
14 years 9 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
ACSAC
2006
IEEE
15 years 3 months ago
2006
IEEE
Access control and integrity constraints are well known approaches to ensure data integrity in commercial database systems. However, due to operational mistakes, malicious intent ...
102
click to vote
ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
Streaming high quality audio/video (AV) from home media sources to TV sets over a wireless local area network (WLAN) is a challenging problem because of the fluctuating bandwidth...
PUC
2000
14 years 9 months ago
2000
Much of the ongoing research in ubiquitous computing has concentrated on providing context information, e.g. location information, to the level of services and applications. Typic...
75
Voted
DSD
2010
IEEE
14 years 7 months ago
2010
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) can provide a flexible usage of the spectrum by controlling individual subcarriers. Sets of subcarriers can be zero-modulated to a...