316 search results - page 1 / 64 » Finding effectors in social networks |
KDD
2010
ACM
13 years 7 months ago
2010
ACM
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
WWW
2011
ACM
13 years 4 months ago
2011
ACM
Social hierarchy and stratification among humans is a well studied concept in sociology. The popularity of online social networks presents an opportunity to study social hierarch...
ICONFERENCE
2011
13 years 4 months ago
2011
: The concept of "social role" has long been used in social science describe the intersection of behavioral, meaningful, and structural attributes that emerge regularly i...
ASUNAM
2009
IEEE
14 years 4 months ago
2009
IEEE
As the weight of online social networks (OSNs) which provide powerful means of sharing common interests and communicating has gradually grown up, influencers are also given the gr...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Real-world social networks are often hierarchical, reflecting the fact that some communities are composed of a few smaller, sub-communities. This paper describes a hierarchical B...