419 search results - page 11 / 84 » Communities detection and analysis of their dynamics in coll... |
SEC
2008
13 years 8 months ago
2008
The constant increase of malware threats clearly shows that the present countermeasures are not sufficient especially because most actions are put in place only when infections hav...
JPDC
2006
13 years 7 months ago
2006
This paper presents a new spectral template-matching approach to countering shrew distributed denial-of-service (DDoS) attacks. These attacks are stealthy, periodic, pulsing, and ...
KDD
2007
ACM
14 years 7 months ago
2007
ACM
The blogosphere has unique structural and temporal properties since blogs are typically used as communication media among human individuals. In this paper, we propose a novel tech...
KDD
2009
ACM
14 years 8 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...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...