109 search results - page 12 / 22 » Evaluating top-k queries over incomplete data streams |
159
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
166
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
102
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DASFAA
2006
IEEE
15 years 3 months ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
109
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CIKM
2010
Springer
14 years 7 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
82
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...