149 search results - page 8 / 30 » Optimization of Multi-Way Join Queries for Parallel Executio... |
IPPS
2005
IEEE
15 years 3 months ago
2005
IEEE
Continuous query systems are an intuitive way for users to access streaming data in large-scale scientific applications containing many hundreds of streams. A challenge in these ...
172
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
171
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
120
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IDEAS
2010
IEEE
14 years 8 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...