6004 search results - page 670 / 1201 » Parallelizing query optimization |
181
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EDBT
2011
ACM
14 years 8 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
239
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SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
246
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
158
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IDEAS
2008
IEEE
15 years 11 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
143
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ADBIS
2006
Springer
15 years 10 months ago
2006
Springer
Database caching supports declarative query processing close to the application. Using a full-fledged DBMS as cache manager, it enables the evaluation of specific project-select-...