88 search results - page 15 / 18 » Exploiting statistics on query expressions for optimization |
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DCC
2008
IEEE
15 years 10 months ago
2008
IEEE
Motivated by sensor networks, we consider the fusion storage of correlated sources in a database, such that any subset of them may be efficiently retrieved in the future. Only st...
146
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ICDE
2010
IEEE
15 years 10 months ago
2010
IEEE
— The size of data sets being collected and analyzed in the industry for business intelligence is growing rapidly, making traditional warehousing solutions prohibitively expensiv...
158
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ICCS
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
124
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CIKM
2004
Springer
15 years 8 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
142
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FQAS
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. The Internet has instigated a critical need for automated tools that facilitate integrating countless databases. Since non-technical end users are often the ultimate repo...