1950 search results - page 198 / 390 » Informative sampling for large unbalanced data sets |
135
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ICDE
2010
IEEE
15 years 8 months ago
2010
IEEE
Mashups are situational applications that build data flows to link the contents of multiple Web sources. Often times, ranking the results of a mashup is handled in a materializethe...
177
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CORR
2012
Springer
13 years 11 months ago
2012
Springer
Determinantal point processes (DPPs), which arise in random matrix theory and quantum physics, are natural models for subset selection problems where diversity is preferred. Among...
159
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ICDE
2012
IEEE
13 years 6 months ago
2012
IEEE
Abstract— Previous work has introduced probability distributions as first-class components in uncertain stream database systems. A lacking element is the fact of how accurate the...
132
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WWW
2006
ACM
16 years 4 months ago
2006
ACM
In this paper, we present a system we have developed for automatic TV News video indexing that successfully combines results from the fields of speaker verification, acoustic anal...
132
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MM
2004
ACM
15 years 9 months ago
2004
ACM
This paper considers the problems of feature variation and concept uncertainty in typical learning-based video semantic classification schemes. We proposed a new online semantic c...