147 search results - page 27 / 30 » Discovering Spammers in Social Networks |
KDD
2005
ACM
14 years 1 months ago
2005
ACM
Relational graphs are widely used in modeling large scale networks such as biological networks and social networks. In this kind of graph, connectivity becomes critical in identif...
LCN
2006
IEEE
14 years 1 months ago
2006
IEEE
— Recently, researchers have discovered that many of social, natural and biological networks are characterized by scale-free power-law connectivity distribution and a few densely...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
ICWSM
2008
13 years 9 months ago
2008
"Witkeys" are websites in China that form a rapidly growing web-based knowledge market. A user who posts a task also offers a small fee, and many other users submit thei...
IJMMS
2007
13 years 7 months ago
2007
What 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 f...