582 search results - page 9 / 117 » Performance Comparison of Point and Spatial Access Methods |
SSD
1999
Springer
13 years 12 months ago
1999
Springer
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
APIN
1998
13 years 7 months ago
1998
Object localization has applications in many areas of engineering and science. The goal is to spatially locate an arbitrarily-shaped object. In many applications, it is desirable ...
LCN
2003
IEEE
14 years 26 days ago
2003
IEEE
In IEEE 802.11 wireless LANs, the DCF access method and the PCF access method operate alternatively within a superframe to service the time-varying traffic demands. Due to differ...
ICPR
2004
IEEE
14 years 8 months ago
2004
IEEE
We evaluate our recently developed conformal method for quantitative shape extraction from unorganized 3D oriented point clouds. The conformal method has been tested previously on...
ICCCN
2008
IEEE
14 years 2 months ago
2008
IEEE
— The current access point (AP) association schemes in wireless LANs, such as IEEE 802.11, cause an unbalanced load which reduces the performance of both the entire network and i...