716 search results - page 137 / 144 » Optimizing Queries in Extended Relational Databases |
174
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VLDB
2007
ACM
15 years 11 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
PPDP
2007
Springer
15 years 5 months ago
2007
Springer
Static analyses provide the semantic foundation for tools ranging from optimizing compilers to refactoring browsers and advanced debuggers. Unfortunately, developing new analysis ...
ICPP
2005
IEEE
15 years 4 months ago
2005
IEEE
Empirical performance evaluation of parallel systems and applications can generate significant amounts of performance data and analysis results from multiple experiments as perfo...
186
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ICDE
2008
IEEE
16 years 15 days ago
2008
IEEE
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
101
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DAWAK
2005
Springer
15 years 4 months ago
2005
Springer
Abstract. Data warehouse architectural choices and optimization techniques are critical to decision support query performance. To facilitate these choices, the performance of the d...