565 search results - page 23 / 113 » Multiple Range Query Optimization in Spatial Databases |
ICDCN
2009
Springer
15 years 2 months ago
2009
Springer
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
GIS
2010
ACM
14 years 8 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...
190
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
218
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
BNCOD
1997
14 years 11 months ago
1997
Abstract. In this paper we present two improvements to the partitioning process: 1) A new dynamic bu er management strategy is employed to increase the average block size of I/O-tr...