1950 search results - page 71 / 390 » Informative sampling for large unbalanced data sets |
137
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WSDM
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we study search bot traffic from search engine query logs at a large scale. Although bots that generate search traffic aggressively can be easily detected, a large ...
ER
2007
Springer
15 years 7 months ago
2007
Springer
Integration of large databases by expert teams is only a small part of the data integration activities that take place. Users without data integration expertise very often gather,...
126
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WWW
2009
ACM
16 years 2 months ago
2009
ACM
We present a probabilistic model for generating personalised recommendations of items to users of a web service. The Matchbox system makes use of content information in the form o...
115
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KDD
2007
ACM
16 years 1 months ago
2007
ACM
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
112
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BMCBI
2008
15 years 1 months ago
2008
Background: Large biological data sets, such as expression profiles, benefit from reduction of random noise. Principal component (PC) analysis has been used for this purpose, but ...