242 search results - page 10 / 49 » Dynamic Access Control for Ubiquitous Environments |
VR
2008
IEEE
14 years 1 months ago
2008
IEEE
Access control is an important aspect of shared virtual environments. Resource access may not only depend on prior authorization, but also on context of usage such as distance or ...
ICEBE
2009
IEEE
13 years 5 months ago
2009
IEEE
Privacy has been acknowledged to be a critical requirement for many business environments. A variety of uncertainty and mutability poses challenges when sharing resources must happ...
TWC
2008
13 years 7 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
IEEEARES
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— Following Mark Weiser’s vision of ubiquitous computing and calm technology, computer systems should run in the background, preferably without the user noticing it at ...
ENTCS
2007
13 years 7 months ago
2007
The amount of information held by organizations’ databases is increasing very quickly. A recently proposed solution to the problem of data management, which is becoming increasi...