6660 search results - page 261 / 1332 » Data Analysis for Query Processing |
283
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EDBT
2011
ACM
14 years 10 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
188
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ICDE
2005
IEEE
15 years 12 months ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
188
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
—Despite the proliferation of work on XML keyword query, it remains open to support keyword query over probabilistic XML data. Compared with traditional keyword search, it is far...
165
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ICDE
2008
IEEE
16 years 25 days ago
2008
IEEE
In this paper, we present a novel architecture to support large scale stream processing services in a widely distributed environment. The proposed system, COSMOS, distinguishes it...
171
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CIKM
2005
Springer
15 years 12 months ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...