84 search results - page 3 / 17 » Community mining on dynamic weighted directed graphs |
ICDM
2007
IEEE
14 years 2 days ago
2007
IEEE
Complex networks have been used successfully in scientific disciplines ranging from sociology to microbiology to describe systems of interacting units. Until recently, studies of...
KDD
2009
ACM
13 years 10 months ago
2009
ACM
Graphs or networks can be used to model complex systems. Detecting community structures from large network data is a classic and challenging task. In this paper, we propose a nove...
KDD
2009
ACM
14 years 6 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...
SDM
2004
SIAM
13 years 7 months ago
2004
SIAM
How does a `normal' computer (or social) network look like? How can we spot `abnormal' sub-networks in the Internet, or web graph? The answer to such questions is vital ...
KDD
2008
ACM
14 years 6 months ago
2008
ACM
Low-rank approximations of the adjacency matrix of a graph are essential in finding patterns (such as communities) and detecting anomalies. Additionally, it is desirable to track ...