2724 search results - page 344 / 545 » Optimizing Queries on Files |
129
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DASFAA
2007
IEEE
15 years 5 months ago
2007
IEEE
As data of an unprecedented scale are becoming accessible, skyline queries have been actively studied lately, to retrieve “interesting” data objects that are not dominated by a...
158
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OWLED
2008
15 years 5 months ago
2008
Abstract. We present Owlgres, a DL-Lite reasoner implementation written for PostgreSQL, a mature open source database. Owlgres is an OWL reasoner that provides consistency checking...
128
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CORR
2008
Springer
15 years 4 months ago
2008
Springer
We present two general methods for proving lower bounds on the query complexity of nonadaptive quantum algorithms. Both methods are based on the adversary method of Ambainis. We sh...
144
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DKE
2007
15 years 3 months ago
2007
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
126
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PROCEDIA
2010
15 years 2 months ago
2010
This study is devoted to exploring possible applications of GPU technology for acceleration of the database access. We use the n-gram based approximate text search engine as a tes...