181 search results - page 9 / 37 » Distributed Query Optimization in the Stack-Based Approach |
108
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BTW
2005
Springer
15 years 7 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
128
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KR
1992
Springer
15 years 5 months ago
1992
Springer
While the task of answering queries from an arbitrary propositional theory is intractable in general, it can typicallybe performed e ciently if the theory is Horn. This suggests t...
124
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SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...
EDBT
2009
ACM
15 years 8 months ago
2009
ACM
In a variety of applications, ranging from data integration to distributed query evaluation, there is a need to obtain sets of data items from several sources (peers) and compute ...
106
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SC
2003
ACM
15 years 7 months ago
2003
ACM
We investigate runtime strategies for data-intensive applications that involve generalized reductions on large, distributed datasets. Our set of strategies includes replicated fi...