1950 search results - page 89 / 390 » Informative sampling for large unbalanced data sets |
105
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KDD
2009
ACM
16 years 2 months ago
2009
ACM
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...
109
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VIS
2007
IEEE
16 years 2 months ago
2007
IEEE
Topology has been an important tool for analyzing scalar data and flow fields in visualization. In this work, we analyze the topology of multivariate image and volume data sets wit...
106
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ISMS
2004
Springer
15 years 7 months ago
2004
Springer
Realistic tissue models require accurate representations of the properties of in vivo tissue. This study examines the potential for tactile imaging to measure tissue properties an...
131
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BMCBI
2007
15 years 1 months ago
2007
Background: With DNA microarray data, selecting a compact subset of discriminative genes from thousands of genes is a critical step for accurate classification of phenotypes for, ...
193
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
Although the presence of a schema enables many optimizations for operations on XML documents, recent studies have shown that many XML documents in practice either do not refer to ...