2027 search results - page 182 / 406 » An Adaptive Query Execution System for Data Integration |
194
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DAWAK
2006
Springer
15 years 10 months ago
2006
Springer
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...
223
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FCCM
1999
IEEE
15 years 10 months ago
1999
IEEE
Abstract We are developing an integrated algorithm analysis and mapping environment particularly tailored for signal processing applications on Adaptive Computing Systems ACS. Our ...
215
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
239
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
162
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IPM
2006
15 years 6 months ago
2006
This study examines the facets and patterns of multiple Web query reformulations with a focus on reformulation sequences. Based on IR interaction models, it was presumed that quer...