1611 search results - page 280 / 323 » An Access Control Model for Video Database Systems |
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
— Rain, snow, gaseous, cloud, fog, scintillation and other atmospheric properties can have a distorting effect on signal fidelity of Ku and Ka bands, thus resulting in excessive ...
VISUALIZATION
1992
IEEE
15 years 1 months ago
1992
IEEE
algorithms as networks of modules. The data flow architecture is popular because of the flexibility of mixing calculation modules with display modules, and because of its easy grap...
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
MOBISYS
2004
ACM
15 years 9 months ago
2004
ACM
ZebraNet is a mobile, wireless sensor network in which nodes move throughout an environment working to gather and process information about their surroundings [10]. As in many sen...
DANCE
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper we define and provide a general construction for a class of policies we call dynamic policies. In most existing systems, policies are implemented and enforced by ch...