3990 search results - page 637 / 798 » The design and applications of a context service |
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
EMSOFT
2005
Springer
14 years 1 months ago
2005
Springer
Early applications of smart cards have focused in the area of personal security. Recently, there has been an increasing demand for networked, multi-application cards. In this new ...
ICSOC
2009
Springer
14 years 27 days ago
2009
Springer
Publish/subscribe messaging is a fundamental mechanism for interconnecting disparate services and systems in the service-oriented computing architecture. The quality of services (Q...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
Data sharing on public servers has become a popular service on the Internet, in which users can store and share data with other users through public servers. However, because the ...