486 search results - page 77 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
110
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SIGMOD
2004
ACM
16 years 1 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...
204
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
151
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JIIS
2002
15 years 1 months ago
2002
Adaptable similarity queries based on quadratic form distance functions are widely popular in data mining application domains including multimedia, CAD, molecular biology or medica...
214
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
Recently, there has been significant interest in developing space and time efficient solutions for answering continuous summarization queries over data streams. While these techni...
109
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SIGMOD
1998
ACM
15 years 5 months ago
1998
ACM
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...