Sciweavers

3514 search results - page 19 / 703
» On Moving Object Queries
Sort
View
OTM
2005
Springer
15 years 5 months ago
An Efficient Trajectory Index Structure for Moving Objects in Location-Based Services
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
Jae-Woo Chang, Jung-Ho Um, Wang-Chien Lee
SSD
2009
Springer
142views Database» more  SSD 2009»
15 years 6 months ago
Monitoring Orientation of Moving Objects around Focal Points
Abstract. We consider a setting with numerous location-aware moving objects that communicate with a central server. Assuming a set of focal points of interest, we aim at continuous...
Kostas Patroumpas, Timos K. Sellis
PAKDD
2007
ACM
184views Data Mining» more  PAKDD 2007»
15 years 5 months ago
Exploring Group Moving Pattern for an Energy-Constrained Object Tracking Sensor Network
In this paper, we investigate and utilize the characteristic of the group movement of objects to achieve energy conservation in the inherently resource-constrained wireless object ...
Hsiao-Ping Tsai, De-Nian Yang, Wen-Chih Peng, Ming...
SIGMOD
2006
ACM
107views Database» more  SIGMOD 2006»
15 years 12 months ago
Relaxed space bounding for moving objects: a case for the buddy tree
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
Shuqiao Guo, Zhiyong Huang, H. V. Jagadish, Beng C...
SIGMOD
2000
ACM
164views Database» more  SIGMOD 2000»
15 years 4 months ago
A Data Model and Data Structures for Moving Objects Databases
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
Luca Forlizzi, Ralf Hartmut Güting, Enrico Na...