8614 search results - page 1361 / 1723 » Mining |
166
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KDD
2009
ACM
16 years 5 months ago
2009
ACM
Active and semi-supervised learning are important techniques when labeled data are scarce. Recently a method was suggested for combining active learning with a semi-supervised lea...
148
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KDD
2009
ACM
16 years 5 months ago
2009
ACM
In recent years, the blogosphere has experienced a substantial increase in the number of posts published daily, forcing users to cope with information overload. The task of guidin...
181
Voted
KDD
2009
ACM
16 years 5 months ago
2009
ACM
Various online social networks (OSNs) have been developed rapidly on the Internet. Researchers have analyzed different properties of such OSNs, mainly focusing on the formation an...
149
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KDD
2009
ACM
16 years 5 months ago
2009
ACM
This paper addresses the issue of unsupervised network anomaly detection. In recent years, networks have played more and more critical roles. Since their outages cause serious eco...
153
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KDD
2009
ACM
16 years 5 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...