11063 search results - page 2076 / 2213 » On the existence of universal models |
193
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
A recent study by two prominent finance researchers, Fama and French, introduces a new framework for studying risk vs. return: the migration of stocks across size-value portfolio ...
174
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KDD
2009
ACM
16 years 7 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...
179
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
One common predictive modeling challenge occurs in text mining problems is that the training data and the operational (testing) data are drawn from different underlying distributi...
255
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
174
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EWSN
2009
Springer
16 years 7 months ago
2009
Springer
As many radio chips used in today's sensor mote hardware can work at different frequencies, several multi-channel communication protocols have recently been proposed to improv...