2052 search results - page 260 / 411 » Term necessity prediction |
141
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
The purpose of this paper is threefold. First, we study the evolution of the web based on data available from an earlier snapshot of the web and compare the results with those pre...
158
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...
170
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most s...
162
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
XML repositories are now a widespread means for storing and exchanging information on the Web. As these repositories become increasingly used in dynamic applications such as e-com...
154
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KDD
2009
ACM
2009
ACM
Quantification and semi-supervised classification methods for handling changes in class distribution
16 years 7 months ago
In realistic settings the prevalence of a class may change after a classifier is induced and this will degrade the performance of the classifier. Further complicating this scenari...