736 search results - page 31 / 148 » Prior Knowledge in Economic Applications of Data Mining |
106
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KDD
2009
ACM
16 years 10 days ago
2009
ACM
Many scalable data mining tasks rely on active learning to provide the most useful accurately labeled instances. However, what if there are multiple labeling sources (`oracles...
111
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WSDM
2012
ACM
13 years 7 months ago
2012
ACM
We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messa...
191
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
We present algorithms for fast quantile and frequency estimation in large data streams using graphics processor units (GPUs). We exploit the high computational power and memory ba...
KDD
2004
ACM
16 years 5 days ago
2004
ACM
We present an unusual algorithm involving classification trees-CARTwheels--where two trees are grown in opposite directions so that they are joined at their leaves. This approach ...
112
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ICDM
2009
IEEE
14 years 9 months ago
2009
IEEE
Document classification is a key task for many text mining applications. However, traditional text classification requires labeled data to construct reliable and accurate classifie...