Ontology highlight
ABSTRACT:
SUBMITTER: Zhu X
PROVIDER: S-EPMC6889960 | biostudies-literature | 2019 Apr
REPOSITORIES: biostudies-literature
Journal of econometrics 20190105 2
Network autoregression model (NAM), as a powerful tool to study user social behaviors on large scale social networks, has drawn great attention in recent years. In this paper, we are interested in identifying the influential users (i.e., portal nodes) in a social network under the framework of NAM. Especially, we consider the autoregression model that allows to have a heterogenous and sparse network effect coefficients. Therefore, the portal nodes take influential powers which are corresponding ...[more]