551 search results - page 41 / 111 » Social spam detection |
INFOCOM
2011
IEEE
13 years 8 days ago
2011
IEEE
—Social networks exhibit a very special property: community structure. Understanding the network community structure is of great advantages. It not only provides helpful informat...
ICPR
2008
IEEE
14 years 10 months ago
2008
IEEE
We propose a method for the detection of trends in social bookmarking systems. Compared to other work in this emerging field, our approach has a more sound statistical basis. In o...
ICWSM
2009
13 years 6 months ago
2009
Events and stories can be characterized by a set of descriptive, collocated keywords. Intuitively, documents describing the same event will contain similar sets of keywords, and t...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
A number of online video social networks, out of which YouTube is the most popular, provides features that allow users to post a video as a response to a discussion topic. These f...
CVPR
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper we introduce a novel method to detect and
localize abnormal behaviors in crowd videos using Social
Force model. For this purpose, a grid of particles is placed
ove...