192 search results - page 12 / 39 » Analyzing Range Queries on Spatial Data |
SIGMOD
1999
ACM
14 years 1 days ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
IPPS
1997
IEEE
13 years 12 months ago
1997
IEEE
We propose a distributed data structure for maintaining spatial data sets on message-passing, distributed memory machines. The data structure is based on orthogonal bisection tree...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
With the popularity of location-based services and the abundant usage of smart phones and GPS enabled devices, the necessity of outsourcing spatial data has grown rapidly over the...
IS
2008
13 years 7 months ago
2008
In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
The range searching problem is fundamental in a wide spectrum of applications such as radio frequency identification (RFID) networks, location based services (LBS), and global po...