856 search results - page 51 / 172 » Location-based Spatial Queries |
GIS
2005
ACM
15 years 1 days ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
DBPL
1999
Springer
14 years 3 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
VLDB
2009
ACM
14 years 11 months ago
2009
ACM
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...
SSD
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. Mobile devices are increasingly being equipped with wireless peerto-peer (P2P) networking interfaces, rendering the sharing of data among mobile devices feasible and bene...
TKDE
2011
13 years 6 months ago
2011
—In reality, spatial objects (e.g., hotels) not only have spatial locations but also have quality attributes (e.g., price, star). An object p is said to dominate another one p , ...