856 search results - page 3 / 172 » Location-based Spatial Queries |
OTM
2005
Springer
13 years 10 months ago
2005
Springer
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
ICCSA
2009
Springer
14 years 2 days ago
2009
Springer
Recently, ubiquitous location-based services (u-LBS) has been utilized in a variety of practical and mission-critical applications such as security services, personalization servic...
GIS
2007
ACM
14 years 6 months ago
2007
ACM
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
MDM
2010
Springer
13 years 10 months ago
2010
Springer
Abstract—Location obfuscation using cloaking regions preserves location anonymity by hiding the true user among a set of other equally likely users. Furthermore, a cloaking regio...
WWW
2003
ACM
14 years 6 months ago
2003
ACM
Much attention has been accorded to Location-Based Services and location tracking, a necessary component in active, trigger-based LBS applications. Tracking the location of a larg...