291 search results - page 38 / 59 » Dynamic Memory Allocation for Large Query Execution |
124
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CIKM
2011
Springer
13 years 11 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
IDEAS
2005
IEEE
15 years 5 months ago
2005
IEEE
Adaptive operator scheduling algorithms for continuous query processing are usually designed to serve a single performance objective, such as minimizing memory usage or maximizing...
118
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ICS
2007
Tsinghua U.
15 years 5 months ago
2007
Tsinghua U.
Grid Workflows are emerging as practical programming models for solving large e-scientific problems on the Grid. However, it is typically assumed that the workflow components eith...
175
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
VLDB
1995
ACM
15 years 3 months ago
1995
ACM
New demandsare put on query processing in Object-Oriented(00) databasesto provide efficient andrelationally completequery languages. A flexible 00 data model requires overloading ...