32 search results - page 7 / 7 » Multigraph Sampling of Online Social Networks |
WWW
2006
ACM
14 years 5 months ago
2006
ACM
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...
SIGCOMM
2009
ACM
13 years 10 months ago
2009
ACM
While some empirical studies on Online Social Networks (OSNs) have examined the growth of these systems, little is known about the patterns of decline in user population or user a...