1430 search results - page 97 / 286 » Query operations for moving objects database systems |
186
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
214
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GIS
2009
ACM
16 years 2 months ago
2009
ACM
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. Whi...
DBPL
1999
Springer
15 years 5 months ago
1999
Springer
We consider IES(SQL), the incremental evaluation system over an SQL-like language with grouping, arithmetics, and aggregation. We show that every second order query is in IES(SQL) ...
211
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ICDE
2000
IEEE
16 years 2 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
152
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SIGCOMM
2012
ACM
13 years 4 months ago
2012
ACM
Distributed key-value stores are now a standard component of high-performance web services and cloud computing applications. While key-value stores offer significant performance...