856 search results - page 37 / 172 » Location-based Spatial Queries |
IS
2008
13 years 11 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...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
This paper addresses the problem of finding the K closest pairs between two spatial data sets, where each set is stored in a structure belonging in the R-tree family. Five diffe...
DASFAA
2007
IEEE
14 years 5 months ago
2007
IEEE
Nearest-neighbor queries are an important query type for commonly used feature databases. In many different application areas, e.g. sensor databases, location based services or fac...
JCDL
2003
ACM
14 years 4 months ago
2003
ACM
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
CDB
1997
Springer
14 years 3 months ago
1997
Springer
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and investigate the expressibility of the topological connectivity query for these databa...