1394 search results - page 100 / 279 » Executing Nested Queries |
182
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
123
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SIGMOD
1996
ACM
15 years 8 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
186
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AAAI
2008
15 years 5 months ago
2008
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
127
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...
167
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ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...