769 search results - page 45 / 154 » Cooperating Services in a Mobile Tourist Information System |
MADNES
2005
Springer
15 years 3 months ago
2005
Springer
An outstanding security problem in mobile agent systems is resource access control, or authorization in its broader sense. In this paper we present an authorization framework for m...
CCE
2007
14 years 11 months ago
2007
: This paper describes concepts for using contextual information in an advanced service environment for the support of mobile maintenance processes. We focus on spatio-temporal con...
COMPSAC
2002
IEEE
15 years 2 months ago
2002
IEEE
Services for locating mobile objects are often organized as a distributed search tree. The advantage of such an organization is that the service can easily scale as a distributed ...
GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract—The capacity of today’s cellular mobile communications systems is mainly limited by inter-cell interference. Multi-cell joint transmission or joint detection schemes a...
CHI
2008
ACM
14 years 12 months ago
2008
ACM
In this paper we examine the access methods and the quality of experience of current unicast video streaming services in 3G mobile networks. A packet-switched mobile video client,...