354 search results - page 22 / 71 » Efficient Processing of Spatial Joins Using R-Trees |
WAIM
2010
Springer
13 years 6 months ago
2010
Springer
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
ICASSP
2011
IEEE
13 years 5 days ago
2011
IEEE
We propose a methodology for improved segmentation of images in a Bayesian framework by fusion of color, texture and gradient information. The proposed algorithm is initialized by...
KYOTODL
2000
13 years 9 months ago
2000
Spatial data are often stored in a database with the finest level of details. The problem of cartographic generalization of spatial data concerns deriving spatial data with proper...
IEEESCC
2005
IEEE
14 years 2 months ago
2005
IEEE
The main goal of our key project, CROWN Grid, is to empower in-depth integration of resources and cooperation of researchers nationwide and worldwide. In CROWN, Information Servic...