6004 search results - page 720 / 1201 » Parallelizing query optimization |
120
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PVLDB
2008
15 years 3 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
147
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PVLDB
2010
15 years 2 months ago
2010
Query co-processing on graphics processors (GPUs) has become an effective means to improve the performance of main memory databases. However, this co-processing requires the data ...
158
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IDEAS
2010
IEEE
15 years 2 months ago
2010
IEEE
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...
168
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MASS
2010
15 years 2 months ago
2010
Traffic congestion is a very serious problem in large cities. With the number of vehicles increasing rapidly, especially in cities whose economy is booming, the situation is gettin...
164
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ICC
2009
IEEE
15 years 2 months ago
2009
IEEE
Abstract--The highly dynamic nature of infrastructureless adhoc networks poses new challenges during resource discovery. In this paper, we propose a novel algorithm for resource di...