180 search results - page 6 / 36 » Providing Digital Time Stamping Services to Mobile Devices |
EUROSSC
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. In ubiquitous computing environments there are an increasing number and variety of devices that can generate context data. The challenge is to timely acquire, process, an...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
School and College campuses face a perceived threat of violent crimes and require a realistic plan against unpredictable emergencies and disasters. Existing emergency systems (e.g....
MOBISYS
2009
ACM
14 years 8 months ago
2009
ACM
An important feature of a modern mobile device is that it can position itself. Not only for use on the device but also for remote applications that require tracking of the device....
JCIT
2008
13 years 7 months ago
2008
A ubiquitous city is where everything is interconnected with everything else, where information is instantaneously shared. In a U-city, people can access a variety of web data in ...
MSE
2000
IEEE
13 years 12 months ago
2000
IEEE
Electronic photography is gaining parts of the photography market and tends to replace gradually all argentic photography. The combination of digital camera and computer technolog...