659 search results - page 57 / 132 » Summarisation for Mobile Databases |
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
DEXAW
2000
IEEE
14 years 2 months ago
2000
IEEE
In a mobile computing system, caching data items at the mobile clients is important to reduce the data access delay in a unreliable and low bandwidth mobile network. However, effi...
W2GIS
2004
Springer
14 years 3 months ago
2004
Springer
Mobile transactions for updating spatial data are long-lived transactions that update local copies of the mobile platforms on disconnection. Since a mobile transaction is physicall...
ICIP
2008
IEEE
14 years 11 months ago
2008
IEEE
Mobile vision services have recently been proposed for the support of urban nomadic users. A major issue for the performance of the service - involving indexing into a huge amount...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...