444 search results - page 6 / 89 » Instance optimal query processing in spatial networks |
PODS
1999
ACM
14 years 13 days ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
SSD
2001
Springer
14 years 17 days ago
2001
Springer
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
MOBIDE
2005
ACM
14 years 1 months ago
2005
ACM
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
DASFAA
1999
IEEE
14 years 13 days ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
ICPP
2003
IEEE
14 years 1 months ago
2003
IEEE
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...