1814 search results - page 169 / 363 » Watermarking relational data: framework, algorithms and anal... |
171
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KDD
2009
ACM
16 years 6 months ago
2009
ACM
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
146
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BMCBI
2007
15 years 6 months ago
2007
Background: As a consequence of the evolutionary process, data collected from related species tend to be similar. This similarity by descent can obscure subtler signals in the dat...
185
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PRL
2010
15 years 24 days ago
2010
As an important technique for data analysis, clustering has been employed in many applications such as image segmentation, document clustering and vector quantization. Divisive cl...
155
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ICCV
2009
IEEE
15 years 3 months ago
2009
IEEE
Many segmentation problems in medical imaging rely on accurate modeling and estimation of tissue intensity probability density functions. Gaussian mixture modeling, currently the ...
151
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INFOCOM
2006
IEEE
16 years 2 days ago
2006
IEEE
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...