2655 search results - page 262 / 531 » User-Tailored Plan Presentation |
289
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
226
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SIGMOD
2004
ACM
16 years 6 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...
201
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
215
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SSD
2007
Springer
16 years 26 days ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
155
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NSPW
2006
ACM
16 years 21 days ago
2006
ACM
This paper details a true and striking paradigm shift: the use of E-Prime for (at least) user-centered security, organizational/enterprise security policies and informal security ...