2217 search results - page 219 / 444 » Rank-aware Query Optimization |
176
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Modern enterprise data warehouses have complex workloads that are notoriously difficult to manage. An important problem in workload management is to run these complex workloads `o...
180
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
149
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ICDT
1995
ACM
15 years 10 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
160
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
184
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
The majority of people in rural developing regions do not have access to the World Wide Web. Traditional network connectivity technologies have proven to be prohibitively expensiv...