Today's social networks allow users to react to new contents such as images, posts and
messages in numerous ways. For example, a user, impressed by another user's post, might …

Understanding social influence and its related phenomena is a major challenge in the study
of the human collective behavior. In the recent years, the availability of internet-based …

With the rising of online social networks, influence has been a complex and subtle force to
govern users' behaviors and relationship formation. Therefore, how to precisely identify and …

The studying of social influence can be used to understand and solve many complicated
problems in social network analysis such as predicting influential users. This paper focuses …

People interact with other people in their daily life, either for work or for personal reasons.
These interactions are often complex. Thus, interactions that an individual has with other …

Microblogging networks are considered a great source of social influence. One of its
characteristics is their high dynamism. This fact produces that influential users continuously …

Social networks have become an increasingly common abstraction to capture the
interactions of individual users in a number of everyday activities and applications. As a …

Identifying influential users and predicting their “network impact” on social networks have
attracted tremendous interest from both academia and industry. Various definitions of …

The spread of influence among individuals in a social network is one of the fundamental
questions in the social sciences. In this chapter we consider the main definitions of …

Recently, there has been tremendous interest in the phenomenon of influence propagation
in social networks. The studies in this area assume they have as input to their problems a …