2514 search results - page 232 / 503 » On the Computation of Approximations of Database Queries |
175
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ICSOC
2003
Springer
15 years 12 months ago
2003
Springer
Service-based approaches (such as Web Services and the Open Grid Services Architecture) have gained considerable attention recently for supporting distributed application developme...
194
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ICCSA
2007
Springer
15 years 8 months ago
2007
Springer
Natural language interfaces to databases are considered one of the best alternatives for final users who wish to make complex, uncommon and frequent queries, which is a very common...
154
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PODS
1999
ACM
15 years 11 months ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
200
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BMCBI
2005
15 years 6 months ago
2005
Background: The identification of unique proteins at different taxonomic levels has both scientific and practical value. Strain-, species- and genus-specific proteins can provide ...
183
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WIOPT
2006
IEEE
16 years 20 days ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...